hi hope you can help me my truck won't start when warm it just floods and black smoke comes out of the exhust
Aug 23, 2010 at 1:54 AM
1994 GMC Jimmy truck won't start
STEPHEN100
- MEMBER
- 1 POST
Probable causes of an engine running rich are as follows:
1.Excessive fuel pressure can be cause by restricted fuel return line or defective fuel pressure regulator.
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 or defective fuel pressure regulator.
2.Defective Oxygen Sensors.
3.Leaking injectors and fuel pressure regulator.
4.Coolant temperature sensor out of calibration.
5.Restricted air intake system.
Aug 23, 2010 at 2:00 AM
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