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should I replace my 4.2 FSI injector o-rings?

should I replace my 4.2 FSI injector o-rings?

 
Old 07-26-2016, 02:20 PM
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Default should I replace my 4.2 FSI injector o-rings?

Hello everyone,
my 2007 Q7 has had a misfire problem for a while now. I have had the dealer try to diagnose it and I feel like their just throwing parts at it, and its not fixing the problem. It has 110k on it and it have never had a carbon cleaning so i'm going to clean the valves this weekend and see if that fixes it. My question is does anyone know if there is a way to check the injector seals? It would be nice to know if I need to replace any of the seals while the intake is off so I don't end up pulling it a second time.
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