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ect and eot

665 views 4 replies 3 participants last post by  Merc82 
#1 ·
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 ?
 
#2 ·
I think it looks like its time to replace your oil cooler, I would just delete that egr while you were in there.
 
#3 ·
Need to check the difference at 65 on flat ground! 10-12 is clogging 15+ is clogged.

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#4 ·
Thanks for the quick response, so as of right now, sounds like head gaskets are ok
?
 
#5 ·
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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