just had my transmission replaced-display reads "Reduced Engine Power" what does that mean?

Asked by Feb 27, 2010 at 05:28 PM about the 2004 Pontiac Grand Prix

Question type: Maintenance & Repair

2004 GrandPrix-I just got my car back from AAmco who put in a transmission and a thermostat and both front wheel bearings.  The display on my dash says "Reduced Engine Power".-- what does that mean?

2 Answers

375

The only thing i can think of would be KR (Knock Retard, incase you didnt know) i dont know why it would be if you have a stock setup.. unless they fucked something up when they did the tranny, but then again if its not the L32 engine then it wouldnt be KR anyway.

I have same problem with my GMC Sierra. It has to do with the shifting solenoids of the transmission according to some of the other research that I have done. You will need to have the guys at AAmco do some adjustments. I am sure that they see this fault display all of the time on GM vehicles. John D

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