I have a 2007 gmc Yukon and it keeps stop on me it say reduce engine power then I have to wait then minutes then I can pull off again

Asked by Jan 27, 2017 at 07:45 PM about the 2007 GMC Yukon SLT2 4WD

Question type: Maintenance & Repair

2 Answers


You should get the codes read, but I suspect the Throttle Positioning Sensor on the throttle body. Checking the codes anywhere from a p1515 to p1519 would show up. Replace the wiring harness plugin also. Usually there is a broken wire at the plugin. Sometimes the plugin comes with the TPS.

Took the vehicle to dealer. He put it on the machine and couldn’t find anything wrong.

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