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1994 Ford Taurus Mixed of rich gas

Tiny
DKUT42
  • MEMBER
  • 1994 FORD TAURUS
Engine Mechanical problem
1994 Ford Taurus 6 cyl All Wheel Drive Automatic 111k miles

My car is pushing out black smoke through the exhaust. SOmething isn't alowing the car to breat hwhen you accerate it only goes for so long and then cuts itselfs off. We checked the timing it's fine. We changed the plugs and wires. Any clue to what part in the fueling system that may be causing this problem?

Also to check the light or code for the check engine light where do I put the paper clip?
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Monday, October 11th, 2010 AT 5:07 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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Tuesday, October 12th, 2010 AT 4:51 AM

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