...sensor fails. Try resetting it using the following technique. Sometimes the problem could be solved. Advantage is you could use this technique in the future too. If you can get an OBD 2 scanner off ...
...APP ) sensor, circuit 1274, using Peak Min/Max on a Fluke 87. Refer to Si document 1454678 for the 5V reference schematics. Command the fan clutch control "on" with the Tech 2 at 50%. If when ...
...APP or ECM GM - P1271 Accelerator Pedal Position Sensor 1-2 Correlation I also found this... though its for Trailblazers... but may give you a clue: Reduced Engine Power Message and/or Check Engine ...
...sensor (APP) (right above the gas pedal) .. again check the wiring and connector going to the APP .. if the APP turns out to be bad then its not hard to change and requires no computer changes ... ...
...APP) Sensor 1-2 Correlation may be set. The voltage difference between APP sensor 1 and APP sensor 2 exceeds a predetermined value for more than a brief period. Refer to DTC P2138 in SI for further ...
signal circuits, low reference circuits, and 5v reference circuits are used to determine the accelerator pedal position. The APP sensor signal voltages increase when the accelerator pedal is depressed
...help.. please... You are loosing the % volt reference signal to the accelerator pedal postion sensor. Could be a faulty sensor or a wiring issue between the pcm and the app sensor on your gas
Question about 2003 TrailBlazer
...APP sensor but when installed there was no difference. Still will not accelerate, does nothing, when gas pedal pressed Have you looked at scan tool data & actually done any testing, to find a ...
Question about 2003 TrailBlazer
...the throttle body actuator and still wont come out of limp mode. Rough idle. ??? Code's stored ? APP - Accelerator Pedal Position Sensors Electronic throttle control ! Do yourself a favor an take ...
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