Everytime i step on the gas pedal full power it dosent give it its all anyone know why

Asked by Jun 28, 2017 at 01:43 AM about the 2003 GMC Yukon Denali AWD

Question type: Maintenance & Repair

2 Answers

5

Check Panel lights for low oil, clogged fuel filter, exhaust problem. Get a BLUETOOTH or WiFi ODB II module to check onboard computer diagnostics. They are about $10 on Amazon plus your choice of Smartphone software.

118,195

The system should be live data scanned, it is possibly a bad TPS, throttle drive motor, or even bad wiring.

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