General Technical & Electrical General technical and electrical discussion for the Ford Ranger that does not fit in any other sub-forum.

backfires

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Old Apr 5, 2011
  #1  
MOORE1980's Avatar
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From: NEWVILLE
backfires

I just purchased a 1991 Ranger and it starts fine but upon acceleration it backfires in the throttle body--what do I check first?????
 
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Old Apr 6, 2011
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From: aspers, PA
mine use to until I replaced the O2 sensor and the TPS, it also ruined the heat sensor on the intake manifold from doing so, you might want to check that out too
 
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Old Apr 7, 2011
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MOORE1980's Avatar
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Ok thanks I will check it out
 
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Old Apr 7, 2011
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hey your welcome anytime
 
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