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1994 GMC Jimmy

Question: truck stalling

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janabanana, Glendale, AZ, May 06, 2009, 08:39

 Rookie

We keep having to replace the Catalic Converter due to engine running rich. Have replaced egr valve, oxgyen sensor,vacuum leak, fuel injection system. Possibly other stuff can't remember now, but truck is still stalling. What do you think it could be?

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• Answer #1

  Bret Bodas May 06, 2009, 09:07
  

   Master

  Wow, that's a lot of stuff to replace and still have a problem. First of all you need to find another shop that is capable of diagnosing this problem without sending you to the poor house, I don't want to hear about RepairPal users needing a bailout from the government!
  Questions:
  Has all this work been done at the request of one shop?
  Is the Check Engine Light on?
  If so, what codes are stored?
  When does it stall?
  How does it run otherwise?
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• Answer #2

  aarontoots May 11, 2009, 23:13
  

   Rookie

  if your fuel is running rich everytime, its probably not one of the things you replaced. You got dooped at the garage and maybe for what you paid you should file suit. Usually the lean fuel mixture like in your situation could be caused by the fuel pump.
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