• Tiny
  • spike nees help
  • 1987 Chevrolet Van
  • V8
  • 2WD
  • automatic

Blowing flames and black smoke out tail pipes

Saturday, March 19th, 2011 AT 3:58 AM

1 Answer

  • Tiny
  • rasmataz
  • Member

Sounds like its running too rich could be caused by one of the following

1. Excessive fuel pressure can be cause by restricted fuel return line
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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Saturday, March 19th, 2011 AT 4:00 AM

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