i wants take of foot have to be on brake
Dec 7, 2011 at 5:26 PM
i have a 2000 gmc dually 4x4 pick up truck when in park it wants to sugers on me and shoot black smoke.
TROY NEVILLS
- MEMBER
- 1 POST
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may be a vacuum leak or a bad mass air flow. have it checked for codes and see what comes up.
Roy
Roy
Dec 7, 2011 at 5:35 PM
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.
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 5:39 PM
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