Thread: P0128 CEL
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Old 08-31-2015, 12:55 PM   #4
humfrz
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Quote:
Originally Posted by Slow_86 View Post
I cleared it. Code didn't come back, but i did notice that the temps would drop down to the line right above cold when ever i started driving but would move back to the middle when sitting at idle.

So pretty sure it's a stuck open thermostat.
Yep, I reckon it's time for a new thermostat......

You may consider that NEW "turbo" thermostat ..... it will add 6 HP and if you put the sticker on ..... an additional 2 HP ........


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