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I hope its not what I'm thinking it might be, but the exhaust on my "03 GMC is bringing tears to my eyes again. This truck has a cat on it so it never really smells that bad, except when it went in for injectors 15k miles ago.

It doesn't show any symptoms, runs fine, no smoke except at start up when real cold, no fuel in oil.

I'm heading to the Keys in a couple weeks with my 5er, so this would be real bad timing for injector problems again. I really want to love my truck, but at 92k miles we might be going our separate ways.
 

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So how did the trip go? Did you get worse or have any work done?

My 2002 with 90k miles has been doing the same smell thing for a month or so and now is smoking at idle. Only glow plug work so far.
I will head to the dealer for a check soon, and maybe injector work from what I have been reading here.
 
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