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Tiny
GANDERSON32
  • MEMBER
  • 1986 FORD RANGER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 86,000 MILES
1986 Ford Ranger 2.9 automatic 4x4 Changed every sensor, including computer, will run great until normal operating temp, then "loads up" black smoke, and bucks and******. Ran fine for 2 1/2 days when I installed new O2 sensor, then resumed bucking and********, I am at wit's end, can you help?
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Monday, January 3rd, 2011 AT 6:29 PM

2 Replies

Tiny
RANGERDANGER17
  • MEMBER
  • 224 POSTS
Have u checked to make your catalictic convertors are not stoppped up
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Monday, January 3rd, 2011 AT 8:01 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,192 POSTS
Is the engine fuel injected or does it have a carb? I can't remember that model year (transition time).
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Wednesday, March 16th, 2011 AT 1:46 PM

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