1995 Suburban Cuts out except when its below 20 degrees outside (Full Version)

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1995 Suburban Cuts out except when its below 20 degrees outside

  

pookster71 -> 1995 Suburban Cuts out except when its below 20 degrees outside (12/12/2007 12:33:17 PM)

This baby runs great, except occasionally when i take off on a hill from a complete stop, or when it seems the transmission is shifting down and the engine is starting to work a little harder, then it tends to cut out. I have replaced the fuel filter, the injectors, and the fuel pressure regulator on top of the throttle body, but this hasnt fixed the problem. I have not checked the fuel pump yet, but my experience is that it works or doesnt, but that was in older vehicles. PLEASE HELP.

Thank You,
Andrew

  
1995 SUBURBAN -> RE: 1995 Suburban Cuts out (12/27/2007 9:36:03 AM)

Hey Andrew, I have a 95 SUBURBAN as well, and I had a similar problem, which masked itself as a FUEL PUMP on the outs.  It ended up being my FUEL PUMP RELAY.  It actually degraded over a period of a couple months.  My wife would be driving it, and all of a sudden, it would shutdown on her.  The problem also mimicked an Ignition Control Module on the verge of full failure as well.  I changed the fuel pump and it worked for a few days, and shutdown again on her, and that is how I finally realized the true problem.  HTH's and good luck

Ashley  

  

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