engine light
Thread Starter
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Elder User
Joined: Apr 2003
Posts: 821
Likes: 0
From: Normal, IL
engine light
does anyone have a problem with their engine light coming on and going of at its own will. it seems to be linked to(would you believe it) fan switch on the HVAC control. it also affects the oil pressure gauge and voltage gauge.any help is appreciated.
Post Fiend
Joined: Nov 2002
Posts: 9,987
Likes: 7
From: Memphis, TN
engine light
Have you pulled the codes? It sounds like a weak alternator or bad ground is causing a low-voltage condition. Or it could involve the glow plug relay. That link will also tell you how to diagnose things with the engine running.
Thread Starter
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Elder User
Joined: Apr 2003
Posts: 821
Likes: 0
From: Normal, IL
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Post Fiend
Joined: Nov 2002
Posts: 9,987
Likes: 7
From: Memphis, TN
engine light
In that case, I have no idea what trips the engine light, other than low oil pressure maybe.
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