VW 05 gti 1.8l with codes p2101, p0638, p0122, p2138, p0221. car would occasionally lose power but I could restart the car and problem cleared. car went into limp mode managed to get it home but now all it does is idle at 1200rpm.
P0221 Throttle pedal position sensor / switch "B" circuit range perfromance
P2101 Throttle atuator control motor circuit range / perfromance
P0638 Throttle acutaor control range / perfromance Bank 1
P2138 Throttle position sensor / switch D , E voltage correlation
With all the code for the throttle position and throttle actuator the engine will be in limp mode. The fix here is the replace the throtttle pedal
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