what is causing the sudden heavy fuel consumption on 1994 oldsmobile cutlass supreme
Dec 7, 2011 at 1:00 PM
I am getting terrible gas mileage
DANIELRAFFENSPARGER
- MEMBER
- 2 POSTS
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Could be needing a major tune-up/running too rich
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
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
Dec 7, 2011 at 1:05 PM
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