What happens when you close the throttle on a car?
Slow engine return to idle: A failing TPS can report the minimum throttle position values incorrectly which can stop the engine entering idle mode when the throttle is closed. Normally when the throttle is closed the engine fuel injectors will be deactivated until a defined engine RPM speed is reached and the engine brought smoothly to idle speed.
What causes the throttle body on a Mercedes to fail?
When there are throttle body malfunctions the wrong amount of air enters into the engine causing problems with air/fuel mixture ratio. Here is a close up picture of a Mercedes throttle body. Mercedes throttle bodies made by Bosch and VDO may fail. Luckily these units are repairable.
What causes the throttle possition sensor to stop working?
If you press the gas pedal to the floor or try to accelerate quickly or floor it, the engine stops responding, RPMs drop and it may even go into limp mode. Turn off the engine and restarting it usually fix the problem. In ost cases, the issue is caused by either a defective pedal position sensor or a bad throttle position sensor.
Is there a factory reset for throttle response?
The ‘throttle response reset’ is a bit of a misnomer. More correctly it’s a gearbox shift pattern reset. It will not help in your case, since it’s your TPS that’s is going bad and no amount of reset will cure it.
When there are throttle body malfunctions the wrong amount of air enters into the engine causing problems with air/fuel mixture ratio. Here is a close up picture of a Mercedes throttle body. Mercedes throttle bodies made by Bosch and VDO may fail. Luckily these units are repairable.
Slow engine return to idle: A failing TPS can report the minimum throttle position values incorrectly which can stop the engine entering idle mode when the throttle is closed. Normally when the throttle is closed the engine fuel injectors will be deactivated until a defined engine RPM speed is reached and the engine brought smoothly to idle speed.
If you press the gas pedal to the floor or try to accelerate quickly or floor it, the engine stops responding, RPMs drop and it may even go into limp mode. Turn off the engine and restarting it usually fix the problem. In ost cases, the issue is caused by either a defective pedal position sensor or a bad throttle position sensor.
What to do if your throttle body is defective?
If your throttle body is defective, you may not be able to repair it yourself. An alternative solution is to use a third party that will refurbish your throttle body. You will need to remove the throttle body from your engine and ship it out to companies that repair these units.