Egr Engine Light
Posting Guru
Joined: Jan 2004
Posts: 1,185
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From: Tennessee
I have never heard of an EGR setting off the Engine Light. Mine had 4 egr codes in it when I checked it due to the egr valve being unplugged, however it did not show a check engine light. Maybe you have another problem.
Senior User
Joined: Feb 2004
Posts: 330
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From: arcata, ca
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Freshman User
Joined: May 2004
Posts: 45
Likes: 0
From: Santa Clarita, CA
I had the same problem when unplugging the EGR. It appears that Cali emissions trucks use a 5 wire harness instead of the standard 4 wire. The extra wire must set off some sort of sensor or something that turns on the check engine light?
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Senior User
Joined: Jul 2004
Posts: 140
Likes: 0
From: anytown, MI
I plan on haveing my truck for a long time plus towing a 5th wheel and i dont really want it all carboned up at 150,000 mi, But i dont want to look at my light on all the time.
Freshman User
Joined: May 2004
Posts: 45
Likes: 0
From: Santa Clarita, CA
captain diesel,
No, I hooked mine back up and removed battery cables to reset any codes and the light. I am hoping that someone around here with much more brain power and insight than I will figure out how to cure the check engine light when this is unplugged. Good luck.
No, I hooked mine back up and removed battery cables to reset any codes and the light. I am hoping that someone around here with much more brain power and insight than I will figure out how to cure the check engine light when this is unplugged. Good luck.
More Turbo
Joined: Jan 2005
Posts: 589
Likes: 0
From: Mililani, Hawaii
It won't hurt to leave it unhooked but that light will get annoying. I just pulled mine and went for a drive to see if my light would come on. My light didn't come on and it runs fine. Maybe even a little more responsive. Mine was bought in Idaho and is from Canada though.
