when i push on gas pedal it cuts out and when i release it it goes to an idle

Asked by Apr 01, 2016 at 07:08 PM about the 2002 GMC Yukon XL Denali 4WD

Question type: Maintenance & Repair

3 Answers

17,840

Check air filter and replace if necessary, clean throttle body with throttle body cleaner, replace fuel filter and add some Lucas Fuel Injector cleaner to gas tank.

i did all of the above plus i replaced fuel regulator

88,995

Then I would suggest running a "live data" scan on it, then a Tech can see what sensors are reading, and replave any of them that are out of specs. I'm thinking the TPS has a bad spot in the resistance readings.

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