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  1. P0174 P0171 Diagnoses Help!

    S10 / Sonoma
    Hi, I have a 2002 Sonoma 4.3 Vortec & Ext. cab. I keep getting a p0174 and p0171 codes. Cleared the codes but I saved the freeze frame data. I was trying to find if i had a vacuum leak and the only vacuum hose I could find was the one that connects to the front left fender (in the right of the...
  2. Issues with cooling system

    262ci Forum (4.3)
    Alright, I have a 02 Sonoma 4.3 Vortec automatic, extended cab with 240,000 miles. Currently I'm having a few odd issues and I'm having trouble figuring out if they are connected in some way. Here's my laundry list of problems with it. And attempted solutions -When my engine temperature hits...