What is the possible reason of knocking?

Cars & Vehicles

Worn bearings from high mileage, poor maintenance, abuse,

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What is the reason for a knocking noise when i drive i changed ball joints and control arms i noticed my axels have holes in the boots and they also have some play Is that the cause of the knocking?

If when you turn a corner the knocking noise gets louder and more pronounced, then you have defective CV joints. The fact that the boots have holes in them, would indicate that water and dust has been able to contact the joints. This will cause them to self-destruct. This can be very dangerous, a...

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What is the purpose of the knock sensor?

The knock sensor is located on the engine block, cylinder head or intake manifold.This is because its function is to sense vibrations caused by engine knock or detonation.The PCM uses this signal to alter the ignition timing and prevent detonation.

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What is the use of the knock sensor on vehicles?

Most knock sensors send a base orMost knock sensors send a base or “no knocking” reference signal to the PCM. If knocking occurs, the sensor detects the increased vibration and increases its signal to the PCM. The PCM then slightly retards timing until the sensor signal returns to the referen...

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What are some possible reasons for a 1989 s10 4.3 liter to start but not idle?

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What is reason of sudden reducing of petrol prices?

Tthe economy is crashing!

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What is the most reasonable estimate of the length of a car?

About 5 meters (16.4 feet) would be a good estimate of a car length. That's the approximate length of a large family car.

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What are the symptoms of a bad knock sensor?

Bad knock sensor symptoms A failed knock sensor will register a trouble code and illuminate the Check Engine lamp (CEL), although some engines will require multiple failure cycles before storing a code.Misfire.Vibration, especially at highway speed.Thumping or knocking noise from the engine.

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The reason maintenance is important to engines of vehicle?

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What is the reason for slow charging?

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What is the cause of knocking on front right side of zafira 05?

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What are the signs of a bad knock sensor?

Symptoms of a Knock Sensor Malfunction The Check Engine Light (CEL) This is one of the first symptoms of a bad knock sensor: The CEL is visible on your dashboard. Thumping Sounds from the Engine. As results of pre-ignition (knock), these sounds can be fairly loud. Poor Acceleration. Low Ga...

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What is causing the knocking noise on the rear suspension of your mk 3 golf?

possibly worn shock absorber rubbers,loose mounting bolts,broken mounts. more info needed to diagnose

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What is the reason for tire grooves?

Tire grooves channel and disperse the water on wet roads. If it weren't for grooves, your tires would be 'aquaplaning' on every patch of water, and not gripping the surface.

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What type of sensor is a knock sensor?

A knock sensor is a piezoresistive sensor whose signal is varied by the amount of force or pressure applied to it.

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What is the reason of when you apply brakes the brake pedal goes down?

If sitting still in your car with the engine running you can apply the brakes and the pedal slowly goes towards the floor you have a defective brake master cylinder. The only repair is to replace the master cylinder. This is a very dangerous situation and must be repaired immediately. Failure to ...

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What are some of the reasons people draw?

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What is the knocking noise from the back of my car?

what a stupid question you have given no info about anything or what the car is and expect an answer go smoke another joint or something because this is a waste of timefirst answer is just someone iggnorant the knocking could be your rear end going out caused by gears slipping if your brake pads ...

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What are the different reasons of engine failure?

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What can be the possible cause of lost of power when the engine is running at 2000 RPM?

most engines have a power band witch is different most engines build power from 3,000 RPM to 8,000 but really it could be that your manifold is not set right or you don't have the carb tuned to the engine some other problems is that your valves are sticking but the answer on the rpm is just how b...

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What is the knocking noise vehicle is making?

Depends on where the noise is originating from, a suspension component, engine (top or bottom?), steering knocking when turning, going over bumps, etc. You need to provide more details before I can point you in the right direction.

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What is the main reason behind having a lot of horsepower in a car's engine?

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What is the reason of engine oil burning in four stroke engine?

Oil is used to lubricate the engine and some is splashed on the cylinder wall and pistions to lubricate those also!But while that is happening, some oil gets past the pistons and into the combustion chamber were is is burnt along with the fuel.Only a minute quantity is lost, but the more you run ...

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What is car engine knocking?

When the fuel in an engine cylinder ignites prematurely or unevenly to cause power fluctuations and a "knocking" sound. usually occurs when an engine is very how or improperly timed.

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What is the most likely reason there were only 150 miles of paved roads in 1903?

Automobiles were just starting to become popular.

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What is the reason of miss firing in a gasoline engine?

Bad spark plug Bad plug wire Bad valve Bad piston Do a compression test to see if problem is engine internal

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What is the Important reasons for the correct seating position?

you might dieyour putting yourself at risk

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What happens if the knock sensor is bad?

A bad knock sensor may also not let the engine accelerate properly while driving on the highway, and cause the vehicle to lose fuel mileage.This is true for the knock sensor as well.If the knock sensor detects an abnormality, the computer will let you know with the Check Engine Light.

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Is it possible to install an alternative method of controlling the throttle of my car?

You could probably install a method of controlling the throttle your car. I would take it to the dealership and see what they would do.

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What is a Knocking sound in the engine?

In general it is the valve lifters if it has higher mileage. Is the sound comming from the valve cover (usually it is the part of the motor that has the manufacturer name on it). It also could be much worse, if you are not sure take it to an auto tech. Another item to check: Could be the grade (o...

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What could be wrong if the motor is knocking?

Most likely is con-rod bearings. If it is, they will gradually get worse. It is best to change them before they fail altogether. Take the car to a reputable mechanic for an opinion first. Not being able to hear it I may be wrong, could be tappets needing adjustment. However,experience tells me ou...

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What is the reason for a positive ground system?

Modern vehicle ignition systems use a negative ground system.The reason some older vehicles used a positive ground system was because their manufacturers did not realize that metal erosion caused by sparking causes the center electrodes of the engine's spark plugs to be eaten away by the sparks i...

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What is the reason why windsreen washers dont work?

The most common reasons are:1) burnt out pump motor 2) Disconnected or cracked hose someplace some place 3) Burnt out fuse 4) Burnt out/broken switch 5) Bad or broken wire between switch and pump motor 6) Empty reservoir 7) plugged up nozzleCheck in this order: 1) Full tank 2) All hoses are conne...

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inattentiveness (eating, talking on phone, putting on makeup, changing radio, etc...)

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What is the reason for haziness on cars?

Weather oxidizes the paint, if left exposed or not treated with wax/etc.

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What is the detonation and knocking in cars?

When an engine runs as it should the fuel/air mix in the combustion chamber ignites at the spark plug and the flame front spreads from there. In an engine that's knocking there are hotspots in the combustion chamber causing the fuel/air mixture to ignite prematurely a bit all over the place.

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They help prevent injuries to the occupants. In an accident, the contents of the vehicle, including the people in it, are thrown around violently. While you can still receive an injury from contact with the dashboard, the padding reduces the severity.

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What is the main reason for suspension problems?

Driving too fast, over really badly maintained road surfaces and/or over intentional road hazards such as speed bumps, railroad crossings and curbs. When the machinery is pushed beyond it's design limits, either once, or repetitiously, it fails.

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What is the reason for having lead in petrol fuel?

Gasoline, when used in high compression internal combustion engines, has a tendency to autoignite (detonation) causing a damaging engine knock (also called "pinging") noise. Early research into this effect led to the discovery that lead additives modified this behavior led to the widespread adopt...

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What is the most common reason for check engine light?

Replacing a faulty oxygen sensor — a sensor used to optimize a vehicle's fuel-to-air mixture to increase gas mileage and reduce emissions — is the most common cause for a check engine light.

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What is the main reason for reducing speed at night?

Glare can also reduce visibility.Another factor adding danger to night driving is fatigue, which makes driving more difficult by dulling concentration and slowing reaction time.It is more difficult to judge other vehicles' speeds and distances at night.

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How petrol knocking is different from diesel knocking?

they are the same thing. "knocking" in an engine is the fuel igniting from the heat of compression of the fuel and the air together. in a desel engine this is how it is suposed to work because it has no spark plugs so the only way to ingite the fuel is by compressing the fuel and the air by a rat...

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What is a knock sensor 1 circuit?

P0325 – Knock Sensor #1 – Circuit Malfunction (Single Sensor or Bank 1) P0325 is a trouble code indicating that the signal from the knock sensor is not performing in its normal range.The knock sensor is used to determine when the engine is operating in a condition that results in a knock or pingi...

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What is a possible secondary effect of buying a new car instead of a used car?

less money to spend on entertainment

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What is the main reason for pollution growth in India?

Air pollution in India has increased rapidly due to population growth, increase in the numbers of vehicles, use of fuels , bad transportation systems , poor land use pattern, industrialization, and above all, ineffective environmental regulations.

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What problems do the knock sensor indicate?

The knock sensor detects spark knock or ping.

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What are the three possible types of solutions for a system of linear equations?

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What is 'top gear's reasonably priced car'?

It's a Chevrolet Lacetti mate.

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What is reasonable discount for demo car?

15 % off MSRP before any rebates or other discounts.

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The invention that made the creation of automobile and airplane possible was the internal combustion engine. Almost all vehicles use internal combustion engines. They are used in the form of gas turbines in jet aircrafts, large ships and helicopters.

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No ,only translucent, the chopped fibres of glass scatter the light preventing optical clarity.

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Will the knocking stop after oil is put in Motor started knocking oil was low?

yes.Depending on how long the engine was allowed to run low on oil, it may have suffered serious damage which would shorten it's life span.

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Is same kind of engines for cars made airplanes possible?

the first airplanes used engines very similar to ones found in automobiles, later aircraft often featured air cooled rotary engines for their light weight before being replaced by jet engines.

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What is difference between knocking and detonation?

in a whole detonation is cause and knocking is the after effect.Knocking and Detonation , two names many mechanical engineering students are confused about.Basically both knocking and detonation are phenomenon which cause same effect i.e abnormal engine sound.Knocking is result of rapid burning o...

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What happens if knock sensor is unplugged?

When the engine is actually knocking is the only time it should interfere and cause the ecm to retard timing.If you unplug it it could potentially cause engine damage if you have pre-ignition problems- but you'll most likely be able to tell anyway

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What is a bottom end knock?

Wear and tear in the crankcase and/or power train. Your car is talking to you about budgeting for an expensive repair coming up.

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What is a knock off wheel?

Knock-off wheels are designed to tighten as they rotate.The driver-side wheel rotates counter clockwise as the car is driven.The knock-off spinner is righthand threaded so it tightens as the car rolls forward.

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What is considered reasonable walking distance?

Walking distance is an important concept in the fields of transportation and public health.A distance of 0.25 miles is often used as an acceptable walking distance in U.S.research studies.

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What can be the reason of hising sound coming from the distributor in a car?

A vacuum leak nearby.Distributor shaft & bushings are worn and the rotor is clipping the distributor cap inside.Spark arking inside cap.

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What are the opening times of the car hire desk at Knock airport in Ireland?

The popular Knock airport is located in the town Charlestown, which is in Ireland. The car hire desk at Knock airport opens at 6:00 am and closes at midnight.

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Is Rod knock bad?

If the situation is really bad it can even be caused by the rod itself contacting the crankshaft journal (where the bearing has become out of place).The most common cause of rod knock is due to a spun bearing (bearing itself actually spins in the end of the rod so it becomes out of position).

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What sircumstances may lead to possible loss of you license?

Any felony with an automobile, usually.

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What circumstances may lead to possible loss of license?

several, you are allowed 12 points total before your license is technically lost, but a judge may take it away for anything, driving is a privelege. 1 DUI is 6 points, but they will typically suspend your license upon conviction for a while anyway.

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Is the more reasonable length of a pick-up truck 40km or 40 m?

40 m is the more reasonable length

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Is the more reasonable length of a pickup truck 40km or 40m?

40 m is the more reasonable length of a pick up truck

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What causes a knocking noise under the hood of your car?

it could be your valves or your engine

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Why the height of vehicles is kept as low as possible?

To keep the center of gravity as low as possible, which, in turn, reduces the risk of capsizing.To keep the center of gravity as low as possible. Doing this improves handling and lowers the risk of rolling over.To reduce the centre of gravity and improve stability of the vehicle.

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Why the height of a vehicle is kept low as possible?

Low center of gravity reduces the risk of a rollover in a turn.To lower the center of gravity to improve handling and reduce the possibility of a roll over.

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What type of cars give the best mileage and yet at a reasonable price?

Saturn is a very good choice. any of the lighter cars such as dodge neon Chevy cavaliers geo metros etc. Honda's and toyotas are very good on gas but obviously more expensive.

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Where is it possible to view reviews of the Land Rover Freelander cars?

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Is Absolute Zero Possible?

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What the reasons of using steel aluminum rubber and glass in passenger car?

Steel and aluminium because that's what the body is best made from. Rubber and glass, because you need windows that must be strong and mounted in shockproof frames. -And leather or vinyl for seats.

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Would battery powered cars solve the problem of a possible shortage of petrol in the future?

Not necessarily. The electricity to charge the batteries must come from somewhere. It is produced in power plants which use natural gas, coal, oil, water, and nuclear power to produce the electricity to charge those batteries. Besides who says there's going be a shortage of petrol in the future. ...

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89 Comanche assume easy checks are good what are possible reasons for no turn lghts and after jumping circuits holding brake backpowers ignition?

With my Jeep it was the ground inside the socket. I used a jumper wire from the GROUND inside the socket ( the one on the side of the inside not the bottom ones) and ran it to the battery ground. This fixed it for me until I got a new socket from Ebay. Scott

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What are the reasons for very low oil if no signs of leaks or burning?

probably burning it but you just don't see it. The valve seals or rings are probably the source.

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Transmission fluid is full but still knocks after x amount of miles of driving?

The transmission may need to be rebuilt. If it is automatic you can try dropping the transmission oil pan and replacing the filter and fluid.

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Where is the knock sensor on a 4.3 2002?

On a 2002 4.3, the knock sensor is located behind the driver side cylinder head. The knock sensor is very hard to reach.

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Where is the knock sensor located on 1999 silverado5.3?

Under the intake manifold. There are 2 of them.

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What is a knock sensor and what does it do?

it is usually located in the intake manifold or sometines the end of cylinder head. it is a microfone that listens for knocking in a cylinder and sends a signal to the timing controller

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5.7vortec knocking on the startup?

try vaoline 10w 30 max life oil and pur one oil filter if that dont fix it try a bottle of lucas oil stabilizor u can buy all of this at advance or autozone

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What are the possible dangers if the intermediate shaft is not repaired soon?

It will fly out in a violent fashion causing a mayhem. Seriously.

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What causes pinging and knocking?

Engine knock or pinging is knocking in spark-ignition internal combustion engines occurs when combustion of the air/fuel mixture in the cylinder does not start off correctly in response to ignition by the spark plug, but one or more pockets of air/fuel mixture explode outside the envelope of the ...

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How serious is rod knock?

Rod knock is caused by a severe failure of one or more crankshaft connecting rod bearings.Repairs require engine removal and complete disassembly at significant expense.The most common cause is lack of engine oil, this is usually the first part in an engine to fail when it runs out of oil.

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Where is the knock sensor on a 2001 Subaru Forester?

The knock sensor is located near the idle air control solenoid valve on a 2001 Subaru Forester. The knock sensor is responsible for sensing vibrations caused by engine knock.

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What is the reason for the two on key positions on a 1992 harly sportster?

Not familiar with Harleys specifically, but on other bikes I've owned, there is one 'on' key position, then after that, there's a different position which leaves the taillight on (for visibility while parking on a road, I assume).

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