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2004 chevy trailblazer_ls
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26 Posts
Discussion Starter · #1 ·
After putting in 2 fan clutches, giving up because the fan clutch code still came up, and then getting a PCM for less tune....my truck is now setting a P0128 code.

Temp on the gauge is rock solid at 210

Thermo has already been changed miles ago, never an issue.

WHAT GIVES
 

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2004 gmc
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26,181 Posts
I posted in your other thread. If the sensor was bad, the gauge would also be off.

You need 40 drive cycles to clear the code from the history section, in case your scanner can't tetll current from historical codes.
 
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