1988 Dodge Van

Tiny
KEVEN JEFFRIES
  • MEMBER
  • 1988 DODGE VAN
Engine Performance problem
1988 Dodge Van V8 All Wheel Drive Automatic

what makes this vehicle burn rich?
Saturday, August 28th, 2010 AT 12:40 AM

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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Saturday, August 28th, 2010 AT 2:55 AM

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