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  1. S10 / Sonoma
    2003 4.3 Sonoma Hello everyone, so this p0128 code just came up. Three months ago, the thermostat was replaced with a Duralast Gold, which opens at 180 °F (15118DLG).I'm not sure if the thermostat opens too soon. On normal driving in 50-60ish degree weather, the temperature on the truck is...
  2. Heating and Air Conditioning
    Hello all! Here is the problem: 2002 S-10, 4.3.w/154k. It started to take much longer to get to temp and was doing a number on my mileage.As I've replaced the t-stat 3x in the past, that is what I suspected. I had the t-stat and the fan clutch replaced but it is still taking much longer to heat...
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