EGT Paranoia ?
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5th Wheeling
Joined: Feb 2007
Posts: 45
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EGT Paranoia ?
I am traveling cross country this winter and becoming paranoid about EGT sensors. I replaced #4 with no problem after it threw a CEL. The big question is: Should I replace the others? I do not want to be stuck in the middle of nowhere with my wife, dogs, and traveling gear, with an EGT issue.The truck has 130K miles of easy no tow highway driving, the #4 CEL was the first and only CEL it generated.
FTE Legend
Joined: Mar 2017
Posts: 31,962
Likes: 9,194
From: Western NY
From what I've learned since being here, in the old days when the 6.7 Super Dutys first came out, an EGT sensor fault would cause the truck to go into limp mode. But I'm thinking the latest software updates prevents that and allows the truck to still drive with that CEL. I'm sure someone with more knowledge and experience will chime in.
Super Moderator
Joined: Aug 2008
Posts: 37,384
Likes: 1,868
From: Frederick, MD
i would no worry about it. it is fine to carry a spare should you need it but it won't stop you from your trip these days, so get a spare, throw it under the rear seat and enjoy the trip.
Hotshot
Joined: Jul 2013
Posts: 14,301
Likes: 2,197
someone needs to invent a dummy plug with preloaded resistance that can be connected when the egt side of the road thing happens. the dummy plug should have normal egt resistance when hot so that the PCM thinks all is well.
I would sure buy one.
I would sure buy one.
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