Yukon 2008 engine problems

Asked by Apr 11, 2017 at 01:02 AM about the 2008 GMC Yukon Denali

Question type: Maintenance & Repair

My car was xceleatratoring while in parked does
anyone know why? Then when I moved it to drive it
didn't want to give it gas

1 Answer

77,995

More than likely it would be the Throttle Positioning Sensor or a broken wire at the plugin to the TPS. The check engine light should be on, check the codes to verify.

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