Rough running

Tiny
BLAX13608
  • MEMBER
  • 1998 DODGE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 170,000 MILES
1998 dodge van 3.3 starts hard after holding acelorator to floor runs real rough with black smoke out of exhaust
Saturday, January 15th, 2011 AT 12:39 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be caused by one of the following below:

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, January 15th, 2011 AT 2:04 AM

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