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155* starting problem

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Lenix, Aug 9, 2006.

  1. Lenix

    Lenix Registered Member

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    Location:
    San Diego, CA.
    Ok, I'm having a no start at 1/4 temp or 155 degrees. This is the only symptom I can see. I just got a smog-check and now the starting problem. I do have new wires,plugs,distributer,timing chain,air cleaner,fuel filter,starter---all about 1,000 miles ago. :mad: Dam CA. smog laws. Any ideas??????? This is a 1991 burb 350 tbi 4l80 3/4 ton. and I just did a leak down test and a comp. test.
     
  2. dyeager535

    dyeager535 1 ton status Premium Member

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    If you've got an autozone close by, I'd say take your truck there, and see if they have that "free scanning" that I always hear about. Sounds to me if it's that specific, that it's more than likely the coolant temp sensor for the ECM.

    Don't throw parts at it, that's why I suggest having it scanned if you can.
     

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