Jeep Grand Cherokee Throttle Position Sensor (TPS)
What is a TPS on a Jeep Cherokee?
The throttle position sensor is an integral part of your Jeep Cherokee that you may not even know existed. The tiny module living inside the engine compartment controls the ignition and adjusts the fuel injection timing by sending signals to the electronic engine control.
What are the symptoms of a failing throttle position sensor?
- An unexplainable bucking and jerking in the vehicle.
- Sudden idle surges.
- Sudden engine stalling without any apparent reason.
- Hesitation while accelerating.
- Sudden surges in speed while driving on the highway.
- Intermittently flashing of check engine light for no apparent reason.
- Difficulties in changing gears.
Where is the TPS sensor located on a Jeep Cherokee?
- An unexplainable bucking and jerking in the vehicle.
- Sudden idle surges.
- Sudden engine stalling without any apparent reason.
- Hesitation while accelerating.
- Sudden surges in speed while driving on the highway.
- Intermittently flashing of check engine light for no apparent reason.
- Difficulties in changing gears.
How do you reset the throttle position sensor on a Jeep?
Turn ignition switch “ON” and wait at least 2 seconds. Turn ignition switch “OFF” wait at least 10 seconds. Turn ignition switch “ON” and wait at least 2 seconds. Turn ignition switch “OFF” wait at least 10 seconds.
What does a throttle position sensor do?
A throttle position sensor is used to measure how open the throttle valve is and therefore controls the amount of air which can flow into the engines intake manifold.
Where is the throttle position sensor located on a 2004 Jeep Grand Cherokee?
On the Jeep Grand Cherokee, the TPS is located on top of the engine on the driver’s side of the intake manifold. It is held in place by two Torx screws.
How much is a TPS sensor?
The average replacement cost for the throttle position sensor is anywhere from $110 to $200. The parts cost is anywhere from $75 to $105 while the labor cost is anywhere from $35 to $95.
Can a TPS sensor cause no start?
When a TPS goes bad, then the car’s throttle body won’t function properly. It could either stay shut or it won’t close properly which is a severe issue. If it stays shut then your engine is not going receive air and it won’t start.
Will TPS cause transmission problems?
Throttle Position Sensor
It is used to determine engine load and if it fails it can cause automatic transmission shifting problems.
How do I fix code P0123?
What repairs can fix the P0123 code?
- Repairing or replacing the TPS connector for shorting.
- Repairing the wiring short as necessary.
- Replacing the TPS with a new sensor.
Where is the throttle position sensor located in 2015 Jeep Cherokee?
What repairs can fix the P0123 code?
- Repairing or replacing the TPS connector for shorting.
- Repairing the wiring short as necessary.
- Replacing the TPS with a new sensor.
How do you change a throttle position sensor on a 2000 Jeep Wrangler?
What repairs can fix the P0123 code?
- Repairing or replacing the TPS connector for shorting.
- Repairing the wiring short as necessary.
- Replacing the TPS with a new sensor.
How do you test a throttle position sensor on a Jeep?
Take the butterfly shaft and manually turn it. As you turn it, you should get a gradual count on the meter upwards to five volts. If the volts fluctuate backwards or forwards erratically, then you know you have a faulty TPS.
Do you have to reset computer after replacing throttle position sensor?
Do You Have To Reset Computer After Replacing Throttle Position Sensor? Once the throttle body has been replaced, your engine will eliminate the pending code by detecting any engine light on and the issue going away. The ECM (computer) might reset itself if a hard permanent code was used in it.
Can you clean a throttle position sensor?
During this process, the throttle position sensor should not be cleaned due to the possibility of contamination or wire damage. The best way to preserve the sensor is to remove and replace it after cleaning is finished.
What causes throttle position sensor failure?
Throttle position sensors can fail or wear out just like any other engine component. Sometimes improper service causes the sensor to malfunction. A sensor problem will usually activate a check-engine light, but the car may send out its own cry for help in the form of performance problems.
How do you fix a throttle position sensor?
The easiest way to reset your throttle position sensor is to unhook the negative cable from your battery for up to five minutes or to remove the fuse for your engine control module.
What should TPS be at idle?
At idle is should be zero or a couple of degrees. Press down on the gas pedal very S-L-O-W-L-Y until the throttle is all the way open. You should see the percentage of throttle opening gradually increase to 100 percent at wide open throttle.
How do you adjust the idle on a 2000 Jeep Grand Cherokee?
Adjust the idle speed by turning the idle speed adjusting screw on the carburetor (V6 models) or by turning the 1/4-inch nut on the sol-vac vacuum actuator (four-cylinder models). Turn clockwise to increase idle speed, counterclockwise to decrease idle speed.
Where is the throttle position sensor located on a 99 Jeep Grand Cherokee?
Adjust the idle speed by turning the idle speed adjusting screw on the carburetor (V6 models) or by turning the 1/4-inch nut on the sol-vac vacuum actuator (four-cylinder models). Turn clockwise to increase idle speed, counterclockwise to decrease idle speed.
Is it hard to replace a throttle position sensor?
When a throttle position sensor goes bad, your vehicle may stall or run rough at idle, and may stumble upon acceleration. The replacement of the TPS is a straightforward procedure that should take an amateur mechanic less than an hour to complete.