rough running

1998 DODGE
170,000 MILES • 6 CYL • 2WD • AUTOMATIC
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BLAX13608
  • MEMBER
  • 1 POST
1998 dodge van 3.3 starts hard after holding acelorator to floor runs real rough with black smoke out of exhaust
Jan 14, 2011 at 4:39 PM
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RASMATAZ
  • Experienced 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.
Jan 14, 2011 at 6:04 PM
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