2002 GMC Envoy "fix reduced engine power" Questions

fix the truck will only move at an ideal The computer has detected a problem and has gone to a reduced performance mode. You need to have the truck scanned for fault codes to determine the area of the

reduced engine power Hi William, the engine has a failsafe mode for when it is sick!!>> slowing it down until it is fixed. Cheers Greg.

...engine power... Whats going on then computer... P1221, 1271, 1635 still not fix if you were told that the fan clutch needed replacing and you did not do that , then the engine light and the loss of ...

...fix it yourself. Just pay the fee and take it home if it is something you want to tackle. REDUCED ENGINE POWER: Refer to Engine Control Module Description. Reduced Engine Power Mode When the PCM ...

...reduced engine power light come on - it also idles fine then the idle revves up - my guess is the electronic throttle? What do you think? Any idea on price to have it fixed? Hello, Yes it sounds like ...

reduced engine power light is on and car will only go 10mph what can I do? The first thing to do is to have the computer scanned for codes, the way it works is the computer monitors all operations and

...reduced engine power light comes on and now when I drive the car acts as if it wants to? stop what going on at first it the light came on and went off it drove fine but now when I drive it slows down ...

...reduced engine power and vehicule to not start for a while? How do I fix the problem? If the CHECK ENGINE light is on, you will need to readout stored codes and correct any conditions implied by the ...

...reduced engine power light turns on and a GMC mechanic gives me a bs excuse for why its not starting. The simple answer is that this vehicle is awful in the cold. When this happens and hopefully it ...

...Reduced Engine Power) i don't know why this happened my email is ([email protected]) You need to find a shop with a Tech 2 scanner. The pcm has to be recalibrated because when the fan clutch goes ...