07 Running warm intermittently
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Joined: May 2010
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From: Sparta, MI
07 Running warm intermittently
07 with a 5.7. It's not overheating per se, but temp gauge is suddenly running a bit warm randomly. It's not losing any coolant, I topped off and burped the system to no avail...it almost acts as if the thermostat keeps opening and closing, even once completely up to normal operating temp...It'll creep up a few needle widths above the middle line on the gauge, then after a min or so, drops down to a few needle widths below middle line. It didn't used to do this, so I know it's not normal operation. Any ideas where I should start looking??
