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Excessive fuel pressure while not running
We have a 2007 gmc denali and it will display excessive fuel pressure 100 psi when truck/key is off. Mehcanic has supposably changed th fuel pump and module and vehicle wont start after driving for a few miles. Found if I release fuel pressure from fuel rail the vehicle will start. No codes...- Katsslvn
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- Replies: 4
- Forum: Engine & Drivetrain
