1986 Ford Bronco smoke then gas out of exhaust

Tiny
STUCKINAZ
  • MEMBER
  • 1986 FORD BRONCO
  • 6 CYL
  • 4WD
  • MANUAL
  • 140,000 MILES
Thick white smoke from exhaust then lots of gas was coming out of exhaust
Friday, October 22nd, 2010 AT 5:33 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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.
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Friday, October 22nd, 2010 AT 5:40 PM

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