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Posts Tagged: P2135 Chevy

P2135 Chevy

P2135 Chevy┬áreduced engine power GM has issued a service bulletin 11-06-04-007C to address a P2135 Chevy reduced engine power trouble in the vehicles listed below. code. A P2135 code is set if the PCM detects a difference between throttle position sensor 1 and throttle position sensor 2 and the difference lasts longer than 2 seconds. This is normally caused by a faulty electronic throttle body. However, in this case GM advises NOT to immediately replace the throttle body. The service bulletin lays out a very detailed method to recalibrate the … Read More


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