I just got my insight cts and love it. Now I am trying to figure out what yall opinion is on headgaskets. Ambient temp is 44 and cts shows EOT and ECT different of 6-8 degrees driving around town with heater on high, 14-16 degree difference on interstate running 75-80 mph and 4-6 degrees difference at idle. Does a failed egr cooler effect these numbers ?
Keep tabs on it. If you question the gaskets, there are a few tests. A clean cooling system is key for a healthy 6.0.
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