Can premium gas damage engine?

Higher octane fuel will not damage a vehicle designed for regular.

You won't likely gain anything but no damage will be done.

Yes you can, with no problem except the damage to your wallet.

If premium isn't recommended or required for your car, there is no advantage to using it.

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Will regular gas damage a premium engine?

Using regular gas in an engine that requires premium could void your warranty.That is most likely to happen if using regular causes severe engine knock or pinging (premature ignition of the fuel, also known as detonation) that damages the pistons or other engine parts.

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Can premium gas hurt my engine?

Using premium gas in a regular car will cost you more with almost no added benefits.The Federal Trade Commission says that using a high-octane gasoline rather than a recommended one will offer almost no benefits.It will not make your engine perform better or faster.

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Can you use mixed gas for a premium gas engine?

If you mean 2 stroke-oil/gas mix then absolutely NOT.If you mean regular or mid range gas then yes.Be aware though, only about 10% of the cars out there REQUIRE "premium" gas. Mainly the ones you and I couldn't afford anyway.

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Can you run premium gas in a unleaded only engine?

If you put leaded gas in an engine that is designed to run on unleaded gas, while the engine will run, it will not run optimally and you will ruin the catalytic converter.

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How you convert premium gas engine to regular gas?

Reducing an engines need for higher octane fuel requires lowering the static compression ratio of the engine(changing heads and/or pistons) and retarding the ignition somewhat. Cars with a static compression ratio of 9:1 or less can run on "regular" with just dialing back the ignition timing and ...

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Will using premium gas hurt my engine?

Yes you can, but it's a waste of money.Run the lowest octane that your car will run optimally.Many cars today have knock sensors so running regular gas in a car that recommends premium is ok, with reduced performance.Compression is one indication of whether or not you require premium.

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Will premium gas clean my engine?

No matter what you've heard, premium-grade gasoline won't do more to clean deposits from your fuel injectors or other parts of the fuel system because today's regular gas contains the same detergent additives.The main difference with premium is its octane rating — 91 or higher compared with 87 fo...

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Can you mix regular and premium gas?

Save On Mid-Grade Gas By Mixing Regular And Premium.If you put mid-grade gas in your car, it's actually cheaper to pump in a mixture of premium and regular to get the same octane level.It's perfectly fine to combine different octane levels of gas, as long as they're both unleaded.

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Can premium gas hurt your car?

Yes you can, but it's a waste of money.Run the lowest octane that your car will run optimally.Many cars today have knock sensors so running regular gas in a car that recommends premium is ok, with reduced performance.Compression is one indication of whether or not you require premium.

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Can I mix regular and premium gas?

Save On Mid-Grade Gas By Mixing Regular And Premium.If you put mid-grade gas in your car, it's actually cheaper to pump in a mixture of premium and regular to get the same octane level.It's perfectly fine to combine different octane levels of gas, as long as they're both unleaded.

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Can you mix premium and regular gas?

Absolutely.In fact mixing regular and premium at the pump is how most gas stations get their mid grade.If your car needs premium you'll lose a bit of power and efficiency with every bit lower octane your mix ends up being but it can still run without damage even on pure regular.

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Will using mid grade gas damage a car that says use premium only?

Well if you think about it, why would it say to ONLY use premium...because it only uses premium for gas. My dad teaches me about cars and stuff, so...dont put mid grade gas on your car. Follow what it said and you will be fine.

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Does sugar in gas tank damage engine?

Supposedly, if you pour sugar into someone's gas tank, you will disable the car.The sugar is supposed to react with the gasoline and turn into a semi-solid, gooey substance that totally clogs up the gas tank, the fuel lines, and so on.As it turns out, sugar doesn't dissolve in gasoline.

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Will using regular unleaded instead of premium unleaded damage the engine?

it could, read the owners manual that came with your car. it will say what kind is recommended, the octane levels in gas vary and if you go to low you could cause your engine to knock and soon after blow.

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Will using reg gas mess up the engine equiped with supercharger that calls for premium gas?

It will not mess up the engine to run the regular gas in it. What it will do, however, is cause a reduction in the performance of the vehicle.

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Which cars require premium gas?

15 Unexpected Cars That Run On Premium-Grade Gas Buick Envision. While the compact Buick Envision's base 2.5-liter four-cylinder engine runs on regular, the available 2.0-liter turbo-four engine recommends premium-grade gasoline.Buick Regal. Chevrolet Equinox. Chevrolet Malibu. Chevrolet T...

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Does premium gas pollute less?

Higher-octane juice won't reduce pollution or emissions at all, according to a study recently done by the American Automobile Association.For other vehicles, the AAA found that “premium gasoline did not produce more horsepower, result in better fuel economy, or produce fewer tailpipe emissions.”

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Do motorcycles need premium gas?

The majority of motorcycle engines, including all current Harley-Davidson engines, require 91 octane or higher (Premium) fuel, thanks to high compression ratios.As a consequence, compression ratios inside engines are lower, and there is less danger of pre-ignition with lower octane fuels.

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Can headers damage engine?

Headers will not hurt your engine.If anything you actually improve its longevity because you removed the restrictions.

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Does premium gas burn cleaner?

No matter what you've heard, premium-grade gasoline won't do more to clean deposits from your fuel injectors or other parts of the fuel system because today's regular gas contains the same detergent additives.Premium gas is not “stronger” gas.

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What cars use premium gas?

15 Unexpected Cars That Run On Premium-Grade Gas Buick Envision. While the compact Buick Envision's base 2.5-liter four-cylinder engine runs on regular, the available 2.0-liter turbo-four engine recommends premium-grade gasoline.Buick Regal. Chevrolet Equinox. Chevrolet Malibu. Chevrolet T...

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Does Infiniti need premium gas?

Your INFINITI features an engine that requires premium gas.This higher octane fuel will allow you to reach your desired horsepower so you can see the vehicles potential to perform.Although the vehicle will perform, it will be a little sluggish compared to what it can do with premium gas.

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Should I use premium gas?

If your car requires premium gas: Then you need premium gas.Now, many cars can adjust the engine's timing to prevent knock, thus allowing you to use lower octane gasoline if you so choose.If your car merely recommends premium gas, you can safely switch to a lower octane without risking engine dam...

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Can engine backfire damage timing?

There has been nothing scientifically invented yet to mess up/damage timing yet, so, probably not. But this is coming from an 11 year old, so, you know. But take my answer into serious consideration. Really....

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Can engine flush cause damage?

The chemicals used for engine flush, are supposed to break up those deposits.But car-makers say, pieces of that broken up sediment can clog up other parts of the engine and ruin it.That's because Nissan and other car-makers say damage resulting from engine flushes won't be covered by your warranty.

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Does premium gas last longer?

Premium costs about fifty cents more a gallon than regular.In a consumer notice, the Federal Trade Commission, notes: “In most cases, using a higher-octane gasoline than your owner's manual recommends offers absolutely no benefit.It won't make your car perform better, go faster, get better mileag...

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Does premium gas store longer?

For some reason it doesn't like premium, and won't run at all on stale premium.Premium gasoline does not last any longer in storage than regular grade, unless it is alcohol free.In that case it can be stored longer, but it should still be used within a few months if possible.

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What cars require premium gas?

15 Unexpected Cars That Run On Premium-Grade Gas Buick Envision. While the compact Buick Envision's base 2.5-liter four-cylinder engine runs on regular, the available 2.0-liter turbo-four engine recommends premium-grade gasoline.Buick Regal. Chevrolet Equinox. Chevrolet Malibu. Chevrolet T...

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Can you use premium gas or super unleaded gas in a street motorcycle?

Most all motorcycles when tuned in properly run much better on gas containing an octane rating of at least 90 to 94.Higher octane such as the 98 octane sold as racing fuel at some locations is not recommended unless your engine has been set up to run such high octane fuel as it can increase the t...

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When should you use premium gas?

When Your Car Needs Premium Your car's manual will explicitly state what octane rating the fuel you put in your car should contain.Most cars built in the last 15 years require fuel at 87 octane or higher.This means, in essence, that regular fuel is a perfect match for your vehicle.

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Is all premium gas ethanol free?

There is a difference between states on whether premium gas specifically has ethanol in it or not.Or, more correctly, whether it's required to have it in it.Two states in the Union, Missouri and Montana, have specific exemption to allow ethanol-free premium gasoline.

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Why do some cars need premium gas?

When a vehicle manufacturer requires using premium fuel, it is because that particular vehicle's fuel system is designed to work best with higher octane gas.Using regular gas in an engine that requires premium could void your warranty.“Use premium unleaded gasoline with a posted octane rating of ...

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Can rain damage your engine?

Actually, rain water can cause even more damage than it helps.As rain falls, it collects pollutants and contaminants from the air, and this is called Acid Rain.Look at the photo to the left, this is the effect of dried rain on a car.Road salts are very harmful to a car's paint surface.

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Can low rpm damage engine?

The short answer is that as long you're not stalling the car from the low engine speed, there is likely not going to be any damage to the engine or transmission.Just keep in mind that some engines don't work very well below 1500 rpm and may stall, which, if done repeatedly, may have a negative im...

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Can thick oil damage engine?

Actually there's much to learn about today's engines and the oils that protect them; for instance, thicker is not better and oil is not just oil.If the oil film goes away due to inadequate “shear strength” or improper thickness, engine damage occurs in seconds.Oil thickness (viscosity) is vital t...

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Average premium gas cost 2008 Louisiana?

i got mine free yesterday by saying i saw it on eBay

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Is it better to use premium gas?

Premium costs about fifty cents more a gallon than regular.In a consumer notice, the Federal Trade Commission, notes: “In most cases, using a higher-octane gasoline than your owner's manual recommends offers absolutely no benefit.It won't make your car perform better, go faster, get better mileag...

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Does premium gas really make a difference?

Using regular gas in a car designed for premium will definitely damage the engine.Premium gas gives you more miles per gallon than regular gas.In actual fact, you'll get a greater range of fuel economy between different brands of regular gas, than you will between the same manufacturer's regular ...

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Does premium gas have ethanol in it?

There is a difference between states on whether premium gas specifically has ethanol in it or not.Or, more correctly, whether it's required to have it in it.This is because they have to use the ethanol to raise the octane level of their gasoline blend in order to satisfy the higher octane require...

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Do new cars need premium gas?

In many cases, the answer is probably no -- you'll likely be able to use regular fuel with no noticeable issues except for minor losses in performance and gas mileage.If your owner's manual says that premium fuel is required, then you should do it, but your car won't blow up if you occasionally o...

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Do cars really need premium gas?

In many cases, the answer is probably no -- you'll likely be able to use regular fuel with no noticeable issues except for minor losses in performance and gas mileage.If your owner's manual says that premium fuel is required, then you should do it, but your car won't blow up if you occasionally o...

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Does Smart car need premium gas?

The ForTwo will run on regular, Smart president Dave Schembri said, but in order to achieve the best power and efficiency, 91 octane is recommended.Smart isn't the only one who does it — Mini, too, recommends premium fuel for the Cooper.Both brands cast their cars as premium niche vehicles.

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What kind of cars need premium gas?

15 Unexpected Cars That Run On Premium-Grade Gas Buick Envision. While the compact Buick Envision's base 2.5-liter four-cylinder engine runs on regular, the available 2.0-liter turbo-four engine recommends premium-grade gasoline.Buick Regal. Chevrolet Equinox. Chevrolet Malibu. Chevrolet T...

Read more

Why do some cars require premium gas?

When a vehicle manufacturer requires using premium fuel, it is because that particular vehicle's fuel system is designed to work best with higher octane gas.Using regular gas in an engine that requires premium could void your warranty.“Use premium unleaded gasoline with a posted octane rating of ...

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Do 2008 mini coopers use PREMIUM gas?

yes, it's recommended that you use 91 octane or betterif you read around, you'll see that most people who use premium seem to think that the car runs better and the milage is slightly better, too

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Do premium gas burn faster than unleaded?

no it burns slower because it takes more pressure for it to burn

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Does premium gas give better mileage?

Premium gives better gas mileage Because premium gas has a higher octane rating than midgrade or regular gas, it produces a little more power when burnt.Designed for performance cars with large, powerful engines, premium also helps minimize the risk of preignition inside highly-stressed, hot eng...

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Should you be buying premium gas?

Typically, high-performance cars require premium, because their engines have higher compression ratios, while other cars can run just fine on lower octane gas.The FTC sums it up this way: “In most cases, using a higher octane gasoline than your owner's manual recommends offers absolutely no benef...

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Is premium gas better for your car?

Premium costs about fifty cents more a gallon than regular.In a consumer notice, the Federal Trade Commission, notes: “In most cases, using a higher-octane gasoline than your owner's manual recommends offers absolutely no benefit.It won't make your car perform better, go faster, get better mileag...

Read more

Does my car need premium gas?

In many cases, the answer is probably no -- you'll likely be able to use regular fuel with no noticeable issues except for minor losses in performance and gas mileage.If your owner's manual says that premium fuel is required, then you should do it, but your car won't blow up if you occasionally o...

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Is there ethanol in Costco premium gas?

Costco Premium Gas.Yes, it does.The only gas that does not contain any ethanol is Shell Gold.

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Does premium gas last longer than regular gas?

Premium costs about fifty cents more a gallon than regular.In a consumer notice, the Federal Trade Commission, notes: “In most cases, using a higher-octane gasoline than your owner's manual recommends offers absolutely no benefit.It won't make your car perform better, go faster, get better mileag...

Read more

Does premium gas give you better gas mileage?

Premium gives better gas mileage Because premium gas has a higher octane rating than midgrade or regular gas, it produces a little more power when burnt.Designed for performance cars with large, powerful engines, premium also helps minimize the risk of preignition inside highly-stressed, hot eng...

Read more

Is it okay to mix premium gas with regular gas?

Save On Mid-Grade Gas By Mixing Regular And Premium.If you put mid-grade gas in your car, it's actually cheaper to pump in a mixture of premium and regular to get the same octane level.It's perfectly fine to combine different octane levels of gas, as long as they're both unleaded.

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Does Esso premium gas contain ethanol?

Esso and Shell both have Ethanol Free premium (91) octane.89 at those stations (and the Petro exception below) is 5% ethanol as the pumps blend 50% 87 + 50% 91.

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Does 2019 Equinox require premium gas?

With the 2019 Equinox, Chevrolet offers shoppers a choice between two gas engines, a high-mpg turbodiesel engine, front- or all-wheel drive, and four trim levels.That depth and breadth isn't the only thing we like about the Equinox, though.

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Does a Mustang GT need premium gas?

Premium gas contains a higher octane level than regular gas.The higher the fuel octane, the better the fuel compresses during the compression and combustion phases of an engine cycle.This provides more power to your Mustang GT engine.

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Can broken timing chain damage engine?

However, if the timing chain breaks, the piston and valve will collide.If you have a non-interference engine, the result of a broken timing chain will not be as severe.It will simply cause your engine to turn off but that's all.The valves, pistons, and other vital components of the engine will no...

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Can Oil Stop Leak damage my engine?

In the long run, yes.If you expect to run an engine for a long time, then a oil additive to stop leaks is a bad idea.Gas and Diesel engines have gaskets and seals to keep their oil supply where it belongs.

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Can water damage my car engine?

Water damage can affect the lubrication system and electrical wiring.As the engine parts malfunction odd and loud noises will likely be heard after a car engine has been exposed.The noise can come from the alternator, the belts, or the air conditioner among a number of possibilities.

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Can a misfire damage your engine?

Driving with a misfiring engine may not be dangerous right away, but over time it will wear on your engine and you can potentially damage the vehicle.

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Can a supercharger damage your engine?

For all their speed capability, superchargers are known to have poor mileage.Superchargers use air to increase power, meaning that overboosting the supercharger will blow hot air into the engine and could cause damage.A turbocharger is also able toproduce power quicker because it is not attached ...

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Can too much back pressure damage engine?

The classic symptoms of too much backpressure include things like a lack of high speed power, poor fuel economy and even overheating.If there is a complete blockage in the exhaust, the engine may start and idle fine for a minute or two, then die as backpressure builds up and strangles the engine.

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Can bleach damage a car engine?

Putting bleach with a small amount of motor oil will cause little visual changes.The car will run (surprisingly) for a while and then it will come to a stop with the liquid mix jetting out of the fuel injectors and other components of the fuel system.

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Can high oil pressure damage an engine?

High engine oil pressure can cause severe engine damage such as oil pump drive and oil filter failure.Once these conditions occur the engine will rapidly start to wear and ultimately fail.

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Can bad fuel injector damage engine?

Left unchecked, faulty fuel injectors can damage an engine enough to keep the car from running, but there's usually time to intercept and fix the problem.Faulty fuel injectors on late-model cars will make their presence known by causing a cylinder to misfire.

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Can a vacuum leak cause engine damage?

Vacuum leaks in today's computer controlled engines can cause very serious engine damage.When an engine that has computer controlled spark and fuel systems has a vacuum leak, the following events occur.Because the vacuum leak pulls in outside air, immediately the fuel air ratio is altered to a le...

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Can a backfire damage an engine?

Engine backfires can be produced by a vacuum leak, bad timing, problems in the ignition system, a faulty sensor, an exhaust leak, or some other system fault.You can hear the combustion as a mild, cough-like ignition or a loud bang.A strong explosion, though, can cause severe damage, like cracking...

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Does a smart car need premium gas?

The ForTwo will run on regular, Smart president Dave Schembri said, but in order to achieve the best power and efficiency, 91 octane is recommended.Smart isn't the only one who does it — Mini, too, recommends premium fuel for the Cooper.Both brands cast their cars as premium niche vehicles.

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Will premium gas hurt my car?

Putting premium gas in a car that takes regular won't harm it.However, putting regular gas in a car that takes premium can and, over time, will likely harm it.The only difference between gasoline grades is the additives put into the gasoline, otherwise it is gasoline.

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Is premium gas worth the money?

AAA: Premium gas not worth the money for most cars.If you're buying premium gasoline for a car that doesn't require it, you may be wasting your money, according to AAA.Fuel economy improved by an average of only 2.7 percent when they used premium gas, while horsepower increased a meager 1.4 perce...

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Is there less ethanol in premium gas?

Finally, here's a nice irony: to increase gas' octane rating, companies add ethanol, when they're mixing up a batch of premium fuel.Interestingly, ethanol actually contains less energy than untreated gas, so the net result from the ethanol component is a reduction in your MPG.

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Why do sports cars need premium gas?

Sports cars often have high compression engines.If you've ever heard an engine "knocking" under power that's what it is.Premium gas has a higher octane rating, which means more of the chemicals that prevent detonation.Most modern cars have knock sensors that dial things back to prevent detonation.

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Does Volvo s60 need premium gas?

Volvo recommends premium, 91 unleaded octane or higher for optimum performance, but your Volvo can run on regular 87 unleaded octane without affecting engine reliability.Note: DO NOT use fuels containing methanol as this may cause damage to your Volvo.

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Can noisy tappets damage an engine?

Now, not only are the tapping and ticking sounds of a faulty lifter are just annoying, but they can also cause or be a symptom of more serious problems on your car.If you do not take care of it in time, your engine might get seriously damaged.

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Can a car engine get water damaged?

Water Engine Damage.Getting water inside your car engine, due to driving in extreme conditions or suffering from flooding, provides a bad recipe for disaster.Particularly if the vehicle has been submerged for any period of time, water can work its way into much of the engine system.

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Can cold air intake damage your engine?

In and of themselves, CAI's will not cause any harm to the vehicle's engine.Some people think that a cold air intake will generally improve engine performance, allowing fuel to combust at lower temperatures, increasing fuel efficiency.They believe the lower temperature is actually better for the ...

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Can wrong spark plug damage engine?

If the electrodes are broken off or flattened, it is likely that the wrong spark plugs are installed.A spark plug that is too long can cause extensive damage to your engine while a short spark plug can cause poor gas mileage and spark plug fouling.

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Can low compression on an engine damage a engine?

Low compression indicates that engine damage already exists. An engine's compression will be lost if: there is damage or wear to the pistons or rings there is damage or wear to the valve train there is damage or loss of seal on the cylinder head There are some other factors as well, but these thr...

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Do turbocharged engines require premium fuel?

Do turbocharged cars require premium gas? - Quora.Generally, yes.They will likely be equipped with a knock sensor, which will allow the engine to run on lower octane fuel, but it will make less power, will get less mileage, and will shorten the lifespan of the sensor.

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Can a cylinder misfire damage the engine?

In the longer term, continuing to drive it that way could destroy a coil and cost you more money.If, however, the misfire is caused by an injector problem, you could seriously damage your engine.Running that cylinder too lean will cause it to overheat and potentially damage the valve or the piston.

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Can oil leak damage your engine?

The Effect of Engine Leaks On Your Car And Car Parts Engine oil leaks can lead to major damage to your vehicle if left and you continue to drive the vehicle.The decreased lubrication of the engine parts that each engine fluid provides, will lead to irreparable damage and result in you having to ...

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Can red diesel damage your engine?

Red diesel can be used in compatible motor vehicles without any risk of damage to the engines.While it can be used in car diesel engines, motorists are prohibited from incorporating this fuel in their vehicles when driving on public highways.You can purchase red diesels and use it as it is intended.

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Can Fuel Additives damage your engine?

While most fuel additives are, at worst, harmless, Trotta warns against using engine cooling system additives that claim to plug leaks.These, she says, will only work temporarily on small leaks, will have no effect on larger leaks and could cause damage to your car's mechanics.

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Can running out of gas damage spark plugs?

A fouled or bad spark plug is a plug that has become covered with a substance like oil, fuel or carbon or one that is blistered from running too hot.Driving with fouled or bad spark plugs can cause a host of problems for your engine.Symptoms of bad spark plugs can include: Reduced gas mileage.

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Can you use super unleaded gas in a car that says use premium only?

Bad idea. Most cars that are Premium Only are designed to take about 92 octane fuel at the lowest. The car will, in fact, run with super unleaded gas but it will create damage to your engine in the long-run. And if low octane gas is used frequently, it can greatly reduce the life of your car.

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Can soda in a gas tank damage a car?

yes it does damage your car and your car wont run ; ]

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Do I need premium gas on turbo cars?

The type of fuel is relative to the particular application. Turbo cars are a very broad subject. Some types of European cars be they turbo or naturally aspirated need a minimum of 95 RON unleaded fuel to be used. This is because these engines are generally more powerful or have a better compressi...

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Is it ok to switch from regular to premium gas?

It is always okay to switch between regular and premium gasoline. With that said, it depends highly on the make of your engine whether or not your car will actually benefit at all from the use of premium gasoline. Make sure to look in your car's manual before you switch to see if your car can ben...

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What damage can sugar do to a gas tank?

It ruins your engine in your vehicleIt is an old wives tale, the sugar sits on the bottom of the fuel tank like sand. It does not dissolve in gasoline. The program "The Myth Busters" did a segment on this and proved sugar in the fuel tank does nothing to damage the engine.

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Does premium fuel clean your engine?

No matter what you've heard, premium-grade gasoline won't do more to clean deposits from your fuel injectors or other parts of the fuel system because today's regular gas contains the same detergent additives.Premium gas is not “stronger” gas.

Read more

Does premium diesel clean your engine?

Premium diesel is basically regular diesel with some cleaning additives thrown in.They do nothing to enhance the power or fuel economy of your car.Modern common-rail diesel engines operate within fine tolerances.Your motor was engineered to consume regular diesel only.

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Is there any benefit to using premium gas?

Premium costs about fifty cents more a gallon than regular.In a consumer notice, the Federal Trade Commission, notes: “In most cases, using a higher-octane gasoline than your owner's manual recommends offers absolutely no benefit.It won't make your car perform better, go faster, get better mileag...

Read more

What happens if you mix premium and regular gas?

Absolutely.In fact mixing regular and premium at the pump is how most gas stations get their mid grade.If your car needs premium you'll lose a bit of power and efficiency with every bit lower octane your mix ends up being but it can still run without damage even on pure regular.

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Does a vehicle get better gas mileage with premium gasoline?

Only if the compression is high enough to be able to take advantage of the more controlled burn that premium provides.

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Is it safe to switch from regular gas to premium?

In today's automobiles, advances in engine technology mean that even if the owner's manual recommends premium gasoline, the car will typically run on regular without issue and won't damage the engine in any way.If your vehicle is on the Recommended list, you can try switching to regular unleaded ...

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Is it OK to switch between regular and premium gas?

Technically, it would.But if the engine's best performance takes place when the regular gas is used (usually for cars of older models), premium gas usage wouldn't be much significant.So, switching fuels is simply wasteful.Generally, higher octane fuels are used for vehicles with higher compressio...

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What's the difference between regular and premium gas?

The Difference Between Premium and Regular Gas Simply stated, premium gas has a higher octane level than regular gasoline.Gasoline with a higher octane rating is designed to resist engine knock.Your vehicle may also emit lower-level pings when mistimed combustion occurs.

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Is there a difference between regular and premium gas?

The Difference Between Premium and Regular Gas Simply stated, premium gas has a higher octane level than regular gasoline.Gasoline with a higher octane rating is designed to resist engine knock.Your vehicle may also emit lower-level pings when mistimed combustion occurs.

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Does the 2008 mazda3 take regular gas or premium?

Try regular 87 Octane - if it does not "ping" excessively you should be OK - if it does "ping" excessively try 89 octane

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