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1994 Chevy Corsica Problem

Tiny
DANIEL&DANIEL
  • MEMBER
  • 1994 CHEVROLET CORSICA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
The problem is the vehicle stalls smoky black very consistently fails, I have already changed the MAP, oxygen sensor, valve JACK, the fail still exist in the vehicle, when the weather is cold the fail disappears until worm. I mean when the weather is cold not the car,

Can you feedback with this question, what can I do?
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Monday, October 11th, 2010 AT 8:20 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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Monday, October 11th, 2010 AT 8:34 PM

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