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Old March 3rd, 2008, 07:03 AM   #10
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Originally Posted by chris1044 View Post
OR your viscous clutch on the fan is bad, causing it to spin at all engine temps/speeds.
Only true if it does not have an electric fan.

Originally Posted by chris1044 View Post
If it were me, I'd do an actual diagnosis of the problem before throwing parts at it.....check the temp of the antifreeze when the vehicle is 'warm' with a thermometer to actually verify it's temp - otherwise you're throwing $$ at assumptions
Sound advice...sensors can be bad and not throw a code but they will be on the borderline of being out of spec.

Need to scan it and watch the data stream...not just scan for codes.

My money is still on the thermostat being stuck open though.
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