1992 Ford Custom Repair Question
Topics covered: Engine, Fuel pressure, Sensor.
Mileage: 19,600 miles.
Mileage: 19,600 miles.
Asked on March 23, 2012
What is wrong with my car? what do i need to replace to make it run better?
My car back fires when cold it also is slow to gain speed, and when spead increases it looses power
Asked by dianewingAnswer
Replied on March 23, 2012
Does it have a check engine light and when was last tune-up??
Sounds like lean misfire-check the fuel pressure if its within specs-start here and also go to this link: http://www.2carpros.com/articles/engine-backfires-while-running and http://www.2carpros.com/articles/engine-misfires-or-runs-rough
Replied on March 23, 2012
it just had a tune up, the check engine lite comes on only when the problem happens then goes away. we know it is running lean but dont know what to fix to stop it from runnung lean
Replied on March 23, 2012
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.