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Old 08-23-2012, 09:24 AM   #52
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Member#: 226331
Join Date: Oct 2009
Chapter/Region: South East
Location: Knoxville, TN
2012 WRX Hatch
Dirty Smurf


Originally Posted by erik11876 View Post
Unless your engine is hitting temps of +400 degrees F, your good. I could be they didn't clean off the fluxing agent well enough and contaminants have made a high impedance short between the two conductors. That would be my guess.

You can warp an aluminum head at far lower temperatures than 400* F. Ask me how I know. He also wasn't complaining about overheating, he was complaining about a temperature fluctuation---either real or a result of a faulty sensor/wiring.
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