THROTTLE ACTUATION POTENTIOMETER

10

Asked by Jul 15, 2009 at 03:40 PM about the 1999 Audi A6

Question type: Maintenance & Repair

IDLES FINE-WILL NOT ACCELERATE-HICCUPS OR GULPS FOR AIR

2 Answers

5

locate your intake tube.. follow from filter box to the intake manifold and cheak for any vacumn leaks first.. is the "check engine" light on? at idle a car can run with very little air and very little gas... here is a list of all compnents to check. air filter(even just a dirty air filter can allow the car to idle but not accelerate), air flow sensor ( located on air filter box or intake tube. a faulty sensor can disrupt all drivability) with your car being an audi it makes diagnosing so much harder. let me know what u find with that list...

10

We have already changed the air flow meter and the throttle body. The vehicle throws the code P1544 which is manufacturer specific and reads :throttle actuation potentiometer signal too high. Sounds like we put on a bad throttle body?

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