What does a speed sensor control?

Cars & Vehicles
Auto Parts and Repairs
Plymouth Voyager

A Vehicle Speed Sensor (VSS) senses the speed of the vehicle. Used for automatic transmission shift points and other electronics.

Another speed sensor would be a wheel speed sensor. This one monitors wheel speed for ABS and Traction control.

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What does a speed sensor affect?

There is the engine speed sensor and the transmission speed sensor.The engine speed sensor detects how many revolutions per minute (RPM) your engine's crankshaft is spinning in real time.The transmission speed sensor detects how fast your car is traveling on the road.

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Does crank sensor control injectors?

crankshaft position sensor affects fuel and ignition by telling them what stroke each piston is on.Crank sensor sets the ignition timing, supply the RPM signal, and determine engine speed.without the crank sensor the computer won't know when to fire a specific injector.

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What does a idle speed air control does?

the idle speed air control controls the amount of air going in to the engine so it idles at a certain rpm so it wont stall when you stop at stop signs or so it wont over rev

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1998 mustang which wires controls the speed sensor?

The wires that attach to the connector that attaches to the vehicle speed sensor.

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What happens if a wheel speed sensor fault is set in the ABS control module?

1.ABS Light is illuminated on the dashboard.Since the wheel speed sensor also monitors the anti-lock braking system on your car, it's common for the ABS Light to illuminate when the sensor is worn out, disconnected, or has been struck by debris, which means you'll have to replace the wheel speed ...

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How much does a speed sensor cost?

It varies with year, make and model, give us more info.

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How does a magnetic speed sensor work?

Magnetic Speed Sensor Principles of Operation: The signal output of a magnetic speed sensor is caused by the excitation of its inductive coil by a passing target.Each passing discontinuity in the target causes the magnetic sensor to generate a pulse.

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What speed sensor does on escalade 2004?

1. operates the speedometer and odometer.2. provides vehicle speed information to the engine and transmission controllers.

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How does a speed sensor work?

Think of a speed sensor as a small generator. The faster you go the more current it produces. Each wheel speed sensor sends that current to a module and the module monitors them. With the vehicle in motion all the wheel speed sensors should read about the same amount of current. When you hit the ...

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What voltage does a wheel speed sensor produce?

The sensor should produce between .5 to 1 volt of AC current.The faster the wheel is spun, the more voltage is produced.

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How does a speed sensor go bad?

One of the main reasons a speed sensor can go bad on a vehicle is the location of where it is placed. Speed sensors are subjected to the elements. Road debris, dirt, water, and other things can hit it while a person is driving down the road. Speed sensors are usually placed near the drive shaft i...

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What does wheel speed sensor do?

The anti-lock braking system is designed to apply smooth application of brake fluid to engage the brake calipers and pads to slow your car without locking up the tires.The wheel speed sensor is responsible for relaying the wheel speed to the ECU so that it can tell the ABS system how much pressur...

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What does the speed sensor do?

An engine speed sensor, also known as vehicle speed sensor, retrieves and sends data to your car's computer system.A car speed sensor shows the car's engine spinning rate.The vehicle speed sensor does this by taking note of at what rate the crankshaft is spinning.

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What is a speed sensor?

A wheel speed sensor or vehicle speed sensor (VSS) is a type of tachometer.It is a sender device used for reading the speed of a vehicle's wheel rotation.It usually consists of a toothed ring and pickup.

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Does speed sensor affect odometer?

Primarily, the wheel speed sensors from the ABS system are used along with a vehicle speed sensor.Some cars also have a transmission output shaft speed sensor.This is important because the error that causes the speedometer not to work may not affect the mileage.In my experience, it usually does not.

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What controls the speed of a car?

Cruise control (sometimes known as speed control or autocruise, or tempomat in some countries) is a system that automatically controls the speed of a motor vehicle.The system is a servomechanism that takes over the throttle of the car to maintain a steady speed as set by the driver.

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What controls a vehicle's speed and power?

The driver of a car controls the engine's power to achieve vehicle speed.Pressure on the accelerator or throttle pedal opens or closes a valve which controls airflow into the engine; the fuel system reacts by supplying the right amount of fuel.

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How does an accelerator control the speed of a car?

The throttle pedal is a direct line to your car's engine.As the throttle pedal gets closer to the floor, the more air is sucked into the intake manifold to be mixed with even more fuel to rotate the crankshaft faster.This is your engine “revving” as the revolutions per minute (rpm) of the cranksh...

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What type of sensor is a passive wheel speed sensor?

Currently, two types of wheel speed sensors are in use: magnetic inductive (passive) and magneto resistive (active).Passive sensors have been around since the early days of the anti-lock brake system (ABS).These are the sensors that function on the generator principle.

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What does the knock sensor control on a 1999 Mercury Villager?

Knock sensors detect pre-ignition. (also called detonation, premature combustion) Which can occur due to over-advanced ignition timing, "bad gas", or underrated octane for the design of the car. Putting 89 octane fuel in a car that requres 93 octane will cause engine knock. As the engine vibrates...

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What controls the trains speed?

Older trains if they were steam depended on how hot the fire was and modern day trains have electronic devices

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Where does the speed sensor go?

Note: The transmission speed sensor is located in the rear of a longitudinal mount transmission.For transaxles, the speed sensor is located on the long side of the output shaft.

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How much does it cost to replace a speed sensor?

Depending on the vehicle year, make and model, a speed sensor can cost as little as $7.92 or as much as $100.For most vehicles, the cost for a speed sensor is between $25 and $45.Follow these procedures for replacing a faulty vehicle speed sensor (VSS).

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How much does a speed sensor replacement cost?

The average cost for a wheel speed sensor replacement is between $475 and $686.Labor costs are estimated between $62 and $79 while parts are priced between $413 and $607.Estimate does not include taxes and fees.

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How does sensor of remote control car works?

It uses electricity of cell, battery,plugs and etc

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Does the coolant temperature sensor control the fan?

The cooling fan is turned off and on as needed by the engine's control computer based upon information from the coolant temperature sensor.A faulty coolant temperature sensor may result in a fan not being properly used, which may cause the engine to overheat.

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What sensor controls the temperature gauge?

The tip of the CTS is probably located right next to the engine coolant.The sensor works by measuring the temperature that's being given off by the thermostat and/or the coolant itself.The temperature is then sent to the on-board control system.

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What is speed sensor?

A wheel speed sensor or vehicle speed sensor (VSS) is a type of tachometer.It is a sender device used for reading the speed of a vehicle's wheel rotation.It usually consists of a toothed ring and pickup.

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How does the speed sensor work?

A small magnet rotates on the spinning item and transmits a pulse each time it reaches the sensor, the computer keeps track of the rate of spin on all the sensors and applies braking to equalize them.It will notice if one locks up and will ease up on it until it's speed matches the others, preven...

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Does wheel speed sensor affect abs?

ABS and Normal Brakes A malfunctioning wheel speed sensor does not normally impact regular brake functioning -- only the anti-lock braking system.If your ABS warning and check brake lights are both illuminated on your dashboard, there is a serious problem with your vehicle.

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Does the coolant temp sensor control the fan?

The sensor works by measuring the temperature that's being given off by the thermostat and/or the coolant itself.The temperature is then sent to the on-board control system.As the control system receives the temperature from the CTS, it may trigger the cooling fan to either shut off or turn on.

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How does an ABS speed sensor work?

The sensors work with the toothed tone wheels to monitor and provide the anti-lock brake module (ABM) with wheel speed information.The result is an alternating current (AC) voltage that is generated in the speed sensor coil by magnetic lines of force fluctuating as the tone wheel passes by the ma...

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How many speed sensors does a Dodge Durango 2002 have?

The transmission could have one or two depending on model. The abs system will have one or three depending on two or four wheel system.

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What sensor controls the fuel pump?

Share: The fuel pressure sensor is responsible for analyzing the pressure of the fuel that is inside the rail of the fuel pump assembly.This sensor is an electronic device which calculates the fuel pressure and then sends this information to the PCM (powertrain control module).

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What causes a speed sensor to fail?

CAUSES OF A FAULTY SPEEDOMETER.There are several common causes for a speedometer to stop working.Typically, these malfunctions are caused by, a broken gear in the speedometer system, a speed sensor issue or a faulty engine control unit (ECU).A malfunctioning speedometer may also be due to damaged...

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What makes a speed sensor go bad?

Over time, the transmission speed sensor can go bad due to wiring issues or just outright failing due to it constantly being used every time you are driving your vehicle.If the sensor is magnetic, it can go bad from iron sticking to the tip of the sensor, which will cause an inaccurate reading.

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What causes a speed sensor to malfunction?

Typically, these malfunctions are caused by, a broken gear in the speedometer system, a speed sensor issue or a faulty engine control unit (ECU).A malfunctioning speedometer may also be due to damaged wiring.In older cars a break in the cable that connects the transmission to the speedometer is t...

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How does vehicle speed sensor work?

Its opposite side is connected to a rotating magnet, which generates a voltage.This voltage is then transmitted to a computational device that calculates the speed proportional to the moving vehicle.During a vehicle's movement, the VSS will generate four pulses in response to one rotation of the ...

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What is a passive speed sensor?

Passive VRS (Variable Reluctance Speed) Magnetic Speed sensors are simple, rugged devices that do not require an external voltage source for operation.A permanent magnet in the sensor establishes a fixed magnetic field.

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What does the speed sensor on the 1990 crx si?

The speed sensor is what sends signals to the speedometer to display how fast a car is traveling. To find it on a 1990 Honda Crx Si it will be mounted on top of the transmission housing.

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What 2 controls on a car a change in speed?

The transmission and the accelerator pedal.

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What does an idle speed control valve do in a 2002 Dodge Grand Caravan?

From commands sent to it from the ECM, the ISC valve opens and closes allowing air into the system to maintain correct idle speed.

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Is a speed sensor important?

The engine speed sensor becomes an important device because it provides a real value for the engine's speed.Since every car has its own specific speed limit, this device is put into use when checking the overall performance of the car.

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What is a speed control solenoid do on 95 wrangler?

Speed control is Chrysler's name for cruise control. The speed control relay on your Wrangler supplies power to the vacuum servo for the cruise control. This servo opens or closes the throttle plate in the throttle body based on commands from PCM when your cruise control is set.

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What two controls on a car change speed?

The brake pedal and the accelerator pedal can cause a change in speed.

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What are the guidelines for speed control?

speed control, or cruise control? speed control is supposed to be the basic rule, which is you traveling safely within the speed of traffic. but officers have been trying to get more money so they have been pulling people over that are in access of the speed limit around 10 to 15 mph, that's if y...

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What is a speed sensor on a transmission?

Transmission speed sensors are used to calculate the actual gear ratio of the transmission while in use.There are generally two speed sensors that work in conjunction to provide accurate transmission data to the vehicle's powertrain control module.The other sensor is the output shaft speed (OSS) ...

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What does the speed sensor look like in a 1998 Pathfinder?

Depends on whether its automatic or stick.

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Can a speed sensor cause a misfire?

A malfunctioning crankshaft sensor will induce a wide range of acceleration and engine-related problems.Engine Misfire/Sputter: When the information relayed by the sensor is incorrect, it results in an engine misfire.Incorrect readings will also affect fuel injection and cause your engine to sput...

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Where is the idle control sensor located?

To correct an uneven idle or stalling engine, you may need to clean or replace the idle air control valve.It is a part of the electrical system on most modern cars and is located next to the throttle body.Trace the air cleaner hose across the top of the engine to where it connects to the engine.

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What are the symptoms of a bad speed sensor?

Here are the symptoms of a bad or failing transmission speed sensor Harsh or improper shifting. Without a valid speed signal from these sensors, the PCM will not be able to correctly control the shifting of gears within the transmission. Cruise control does not work. Check Engine Light come...

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What are the symptoms of a bad output speed sensor?

Here are the symptoms of a bad or failing transmission speed sensor Harsh or improper shifting. Without a valid speed signal from these sensors, the PCM will not be able to correctly control the shifting of gears within the transmission. Cruise control does not work. Check Engine Light come...

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How much does it cost to replace wheel speed sensor?

The average cost for a wheel speed sensor replacement is between $347 and $458.Labor costs are estimated between $125 and $159 while parts are priced between $222 and $299.Estimate does not include taxes and fees.

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Can a bad speed sensor cause stalling?

Intermittent stalling can also be caused by a bad idle air bypass motor or a idle speed control motor.If the MAP sensor isn't reading right, the PCM will receive bad information and possibly add or subtract more fuel than it should causing the engine to stall.

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How is engine speed controlled?

Diesel engine speed is controlled solely by the amount of fuel injected into the engine by the injectors.Because a diesel engine is not self-speed-limiting, it requires not only a means of changing engine speed (throttle control) but also a means of maintaining the desired speed.

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What is a VW Jetta engine speed sensor?

The engine speed sensor provides the ECM with a crankshaft position signal. The ECM uses the signal to determine a crankshaft reference point (Top Dead Center) and calculate engine speed (RPM.) The signal is also used by the On-Board Diagnostic system for misfire detection. The ignition system wi...

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What happens if you have a bad speed sensor?

you have a speedometer that is not acurate . you get pulled over for speeding and you look up the model number of the sensor on the internet and get a new one to prevent future problems that it might causeall it does is relay a magnet upon revolutions to give you your speed on your speedometer

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What happens when a transaxle input speed sensor goes bad?

you have to get a new one.-dhwanish patel , India

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What happens when a speed sensor goes bad?

However, here is a list of the most common symptoms associated with a bad engine speed sensor: Transmission revs higher before it changes gears.The car's transmission engages into overdrive late and sometimes will never go into that top gear.The overdrive on/off light blinks on and on for no appa...

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What happens when a vehicle speed sensor goes bad?

A faulty vehicle speed sensor can cause an array of problems.However, here is a list of the most common symptoms associated with a bad engine speed sensor: Transmission revs higher before it changes gears.The car's transmission engages into overdrive late and sometimes will never go into that top...

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What causes a vehicle speed sensor to malfunction?

Typically, these malfunctions are caused by, a broken gear in the speedometer system, a speed sensor issue or a faulty engine control unit (ECU).A malfunctioning speedometer may also be due to damaged wiring.In older cars a break in the cable that connects the transmission to the speedometer is t...

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What sensor controls amount of fuel going to engine?

what causes engine to missfire when warmed up on my 2002 accent

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What happens when a wheel speed sensor goes bad?

ABS Light is illuminated on the dashboard Since the wheel speed sensor also monitors the anti-lock braking system on your car, it's common for the ABS Light to illuminate when the sensor is worn out, disconnected, or has been struck by debris, which means you'll have to replace the wheel speed s...

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Can you clean a speed sensor?

Cleaning Speed Sensors: How to Start For cleaning, there are three options: use nothing but your rag, a mild soap-water solution, or an appropriate brake cleaning product.Loosen the lug nuts on your wheel but do not take the tire off.Jack the front of your car up and secure it with jack stands.

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What is a vehicle speed sensor drive gear?

Its the gear that connects the speed sensor shaft to the transmission

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What are some signs of a bad speed sensor?

Being pulled over a lot for speeding

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What happens when a speed sensor goes out?

A faulty vehicle speed sensor can cause an array of problems.However, here is a list of the most common symptoms associated with a bad engine speed sensor: Transmission revs higher before it changes gears.The car's transmission engages into overdrive late and sometimes will never go into that top...

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What is the speed sensor in a vehicle?

The vehicle speed sensor (VSS) measures transmission/transaxle output or wheel speed.The ECM uses this information to modify engine functions such as ignition timing, air/fuel ratio, transmission shift points, and to initiate diagnostic routines.

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What are signs of a bad speed sensor?

Most Common Signs of Engine Speed Sensor Problems Harsh or improper shifting. When there are symptoms of a bad transmission speed sensor, the powertrain control module cannot control the shifting of gears within the transmission properly. Inactive Cruise Control. Check Engine Light comes on.

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How much is a transmission speed sensor?

Depending on the vehicle year, make and model, a speed sensor can cost as little as $7.92 or as much as $100.For most vehicles, the cost for a speed sensor is between $25 and $45.

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How do you fix a speed sensor?

How to Repair a Vehicle Speed Sensor Park the vehicle on a level surface. Engage the emergency brake and turn the engine off. Place a vehicle jack on the left side and right side of the automobile. Look straight up on the passenger side of the vehicle. Unplug the electrical wire. Align th...

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How much is a speed sensor?

Depending on the vehicle year, make and model, a speed sensor can cost as little as $7.92 or as much as $100.For most vehicles, the cost for a speed sensor is between $25 and $45.Follow these procedures for replacing a faulty vehicle speed sensor (VSS).

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What happens when speed sensor goes bad?

A faulty vehicle speed sensor can cause an array of problems.However, here is a list of the most common symptoms associated with a bad engine speed sensor: Transmission revs higher before it changes gears.The car's transmission engages into overdrive late and sometimes will never go into that top...

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What two types of sensor can be used as a wheel speed sensor?

Most vehicles in use today use two types of wheel speed sensors; variable reluctance (passive) and magneto resistive (active).

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What are the symptoms of a bad transmission speed sensor?

Most Common Symptoms of a Faulty Engine Speed Sensor Transmission revs higher before it changes gears.The car's transmission engages into overdrive late and sometimes will never go into that top gear.Brakes are sometimes harder than normal when coasting.Speedometer behaves erratically or sometim...

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Abs speed sensor location?

On the top of rear differential.Some vehicles have one at each front and rear wheel. Some vehicles have one at each front wheel and one on top of rear differential. Depends on the vehicle. The year, make and model info would help.

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Does a 1997 Nissan pathfinder have a speedometer cable or speed sensor where is it located?

it has a speed sensor. its located in the transmission on a 2wd model and in the transfer case of a 4wd model

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How do you control the speed of a car?

Use the cruise control option to set a speed.Cruise control is useful for straight, open roads that many people are tempted to speed on.Find the “Set” button on your car.Accelerate to the speed you wish to go, then press the Set button to maintain that speed automatically.

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How much does a new speed sensor cost for a 96 neon?

call the parts store or get rid your neon.

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What causes vehicle control difficult at high speed?

Worn tires.Incorrect tire pressure.Front end out of alignment.Worn shocks/struts.Worn or broken sway bar bushings/links.Weather and road conditions.

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Is a speed limiter the same as cruise control?

A speed limiter prevents a car from travelling over a certain speed set by the driver.Unlike cruise control, it doesn't maintain a set speed.Some more modern systems can automatically change a car's speed in response to speed limit signs.These are often referred to as intelligent speed limiters.

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Is there a thing to control speed on cars?

yes, its called cruise control

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How is engine speed controlled on a vehicle?

96 and new vehicles use air idle control valve, idle air control sensor, or something to the nature

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What are the sensors that control the mobility of a car?

If by "mobility" one means the "operation" of the vehicle, there are a ton of sensors on modern vehicles. Many are associated with engine operation and performance. And we integrate more and more sensors into vehicles all the time. The ABS braking system is a sensor driven system that maximizes v...

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What sensor controls the tachometer on a 1999 Dodge Ram 3500 5.9 turbo diesel?

The tach signal comes out of the pcm. The pcm watches the crankshaft position sensor to calculate engine speed. The crankshaft position sensor is behind the starter.

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How do throttle controls speed in cars?

they restrict the amount of air and fuel going into the engine

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How much does it cost to replace a vehicle speed sensor?

To replace the speed sensor, you are going to pay, on average, between $330 and $380.The labor should only cost you between $80 and $100, while parts will run you about $265.

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How is diesel engine speed controlled?

Diesel engines require a speed limiter, commonly called the governor, to control the amount of fuel being injected into the engine.When fuel is injected, it vaporizes and ignites due to the heat created by the compression of the air in the cylinder.

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What does a neutral safety switch control?

The neutral safety switch prevents you from cranking the car in any other gear than park or neutral.

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If your speed sensors are failing what does the car do?

if your speed sensors are failing you will get a light on your dash either abs or taction control light you will no longer have abs or trac control

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What does a freeze plug control?

a freeze plug hole is where the sand is removed from your engine block or head when they were cast in a sand form. then the freeze plug itself is installed to seal those holes that are where liquid coolants now pass through the engine block and head .

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How do throttle control the speed car?

The throttle does NOT control the speed of the car. On most spark ignition engines (an engine that uses spark plugs to fire) the throttle controls the amount of air entering the engine. The amount of fuel injected is proportional to the amount of air entering the engine. As this fuel is burned, c...

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Can you drive a car with a bad speed sensor?

That is why in general, it is unsafe to drive a vehicle with a broken wheel speed sensor.If the wheel speed sensor becomes damaged or wears out, initially you probably won't notice much difference in the way your car performs if your ABS light comes on unless you are driving on slippery pavement.

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How do you test a speed sensor on a car?

Vehicle Speed Sensor Testing Turn the ignition switch to the OFF position.Disengage the wiring harness connector from the VSS.Using a Digital Volt-Ohmmeter (DVOM), measure the resistance (ohmmeter function) between the sensor terminals. If the resistance is 190–250 ohms, the sensor is okay.

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What does a knock sensor bank 1 sensor 1 do?

It detects spark knock (ping) then sends a signal to the ECM to retard timing.

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Will a speed sensor cause a car not to start?

Since any engine requires the correct air to fuel ratio and ignition timing to start, having a faulty sensor that can't adjust these symptoms on the fly can cause the engine to not start.Dirty sensors will impact whether your vehicle starts.An example of this is the Mass Air Flow sensor or MAF.

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What should be done to control the speed of a car on a downhill slope?

Down shift one gear possibly two.

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Can a faulty speed sensor cause not to change gears?

In some vehicles, yes.

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Is speed sensor and abs sensor different on a 1999 dodge ram 1500 truck?

Answer Yes, they are totally different.The speedometer signal comes from the rear axle abs sensor.

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What is the price of electronic speed sensor?

all depends on what the vehicle is. Prices vary also if you want a new or used part. OEM Factory part or aftermarket or (knock off's)

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