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Service Engine Soon and some ticking

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Old 11-07-2007, 05:04 PM
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Scanned it at Advance during lunch.

P0128 - Coolant Temp Below Thermostat Rating...

LOL...er, what? :?

I can only guess the stock stat is sticking open a little. I wanted to wait to install my 180 until I had a PCM for it. Any other ideas whats up?
Old 11-07-2007, 06:27 PM
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Unless the temp sensor for the pcm died. The two sensors are built into one unit. However there is a seperate dash vs pcm. What does the dash read?

The pcm will help more during the summer than winter. I'd swap it out if the tstat is bad.
Old 11-07-2007, 06:46 PM
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Heat was on at 83F on the way back to work with the dash gauge reading roughly 180-185F.
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