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I AM GETTING TERRIBLE GAS MILEAGE
1994 Oldsmobile Cutlass
What is causing the sudden heavy fuel consumption on 1994 oldsmobile cutlass supreme
have the same problem?
Wednesday, December 7th, 2011 AT 9:00 PM
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
Wednesday, December 7th, 2011 AT 9:05 PM
to post a reply.
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