reduced engine power light

Asked by Jan 11, 2019 at 11:29 PM about the 2002 GMC Yukon XL 1500 SLE

Question type: Maintenance & Repair

my truck has been running rough then the reduced engine power light, traction light, and engine light all came on at the same time. it would not accelerate very much

3 Answers

209,185

Go to your nearest auto parts store and have them read the trouble codes. Post them here and we will try to help!

20

The reduced engine power has been happening to my truck for a long time and no one seems to be able to fix it. It has something to do with fuel. I say that because the only way my truck will turn the alert off and gain power while driving again is if I turn engine off, take gas cap off and put it back on.

2 people found this helpful.

i the same has been been happening to my truck and I've put at least 4000 dollars in replacement parts just trying to fix what can be a dangerous issue. i changed all the wiring and harness i even change the throttle body and and alternator a couple of times I am clueless at this point. please help

Your Answer:

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