hi, i have a 1999 express van that has a lean mixture fault code and will not pass smog because of it,it is a 350 motor
Jan 16, 2011 at 11:51 AM
will not pass smog because of lean mixsture fault code
STEVEK
- MEMBER
- 1 POST
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Lean fuel condition could be caused by one of the following below:
1.Vacuum leaks
2.EGR and PCV valve.
3.Low fuel pressure.
4.Dirty fuel injectors.
5.Mass Air Flow Sensor.
6.Oxygen Sensor.
1.Vacuum leaks
2.EGR and PCV valve.
3.Low fuel pressure.
4.Dirty fuel injectors.
5.Mass Air Flow Sensor.
6.Oxygen Sensor.
Jan 16, 2011 at 3:19 PM
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