Need some advice
Thread Starter
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Senior User
Joined: Aug 2004
Posts: 114
Likes: 0
From: Golden, B.C., Canada
Need some advice
My 2008 has 10,000 troublefree miles on it. The other day I left it idling, got out of the truck & the engine was making a knocking/tapping noise almost like a rod knock. I shut it down & started it cold the next day, no noise, no check engine lite. Made an appoint with Dealer for two days later, did not use. When I took it in the check engine lite was on and it showed 3 fault codes. Dealer says it is a faulty glow plug harness.
Does this sound reasonable? Should I drive the truck before harness is replaced? Thanks for any advice.
Does this sound reasonable? Should I drive the truck before harness is replaced? Thanks for any advice.
Elder User
Joined: Jan 2008
Posts: 617
Likes: 0
From: Washington,KS/Lincoln,NE
Sounds like a reasonable explanation to me. If injectors are not working properly, it can make noise.
I'd like to see the harness replaced or repaired before I drove it, if it were mine.
I'd like to see the harness replaced or repaired before I drove it, if it were mine.
Thread Starter
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Senior User
Joined: Aug 2004
Posts: 114
Likes: 0
From: Golden, B.C., Canada
Thanks for the input. I'll leave it parked.
Elder User
Joined: Jan 2008
Posts: 617
Likes: 0
From: Washington,KS/Lincoln,NE
I misread that as injector harness somehow. This engine barely needs glow plugs. You're right! That should have no bearing on engine noise at all.
Posting Guru
Joined: Jul 2008
Posts: 1,057
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From: Florida
I had glow plug issues with my 08. Engine light would come on, code was for a bad glow plug. I had the plug replaced but still had engine light on. Next trip they replaced the glow plug module. Still had the engine light on after that. They finally fixed the problem by replacing the wiring harness to the glow plug module. Three trips later it is as good as new. Aggrevating but all costs were covered under warranty.
