Thread: 2005 Trailblazer "low collant temp" Light
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Old 04-20-2012, 12:35 PM   #4
gmtech1
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Re: 2005 Trailblazer "low collant temp" Light
Usually a t-stat takes care of the P0128. Are you sure you used the correct temp stat when you replaced it? If so, you may have a fan clutch issue, it would be a little unsual though.
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