GAS MILAGE

2001 GMC Safari

Tiny

hunter999

April, 9, 2011 AT 8:14 PM

I have a 2001 GMC, Safari, AWD, SLT. Gas milage poor, I can smell gas fumes in exhaust, what do I do to fix this

FOUND 1198 RELATED QUESTIONS

1 Answer

Tiny

rasmataz

April, 9, 2011 AT 11:22 PM

Could be running too rich due to the following

1. Excessive fuel pressure can be cause by restricted fuel return line
2. Defective Oxygen Sensors.
3. Leaking injectors and fuel pressure regulator.
4. Coolant temperature sensor out of calibration.
5. Restricted air intake system

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