1994 Opel Omega Repair Question
What do i do?I have opel omega A model car,she consumes alot of fuel and emits black carbon smoke.
When was the last tune-up? sounds like its burning more fuel than air-due to black smoke-
Probable causes of an engine running rich are as follows:
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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