Thread: Backfiring while driving, not while sitting still?
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Old 11-18-2008, 03:30 PM
  #21  
dparker
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RACING JUNKIE
 
Join Date: Jun 2003
Location: Hobbs, NM
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John start your engine and let it warm up a second and then take spray bottle with water in it and spray each header tube close to the head, to see if you have a cylinder not firing or weak. The water should sizzle and evaporate immediately.
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