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Random Misfire

This is a discussion on Random Misfire within the General Help forums, part of the LSx Technical Help Section category; I have a random misfire code (I lost the sheet so I dont know the exact code #) that is ...

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    Senior Member 01ws6er's Avatar
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    Random Misfire

    I have a random misfire code (I lost the sheet so I dont know the exact code #) that is keeping my car from passing emissions...I had a bad 02 and figured replacing it would clear up the issue, but it still has the code...I have LT's dual exhaust and a cam that is only mail order tuned. This code is very recent as well....any suggestions?
    01' Ws6: Bolt ons, TD's, stock 241 heads, 230/230 .612/.592 111+2

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    Smiles for 9.5 Years cammed goat's Avatar
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    Hmmm. Ya gotta go deeper than the mail order tune with a cam I think. I can't remember if the VE table has to be adjusted. I am trying to remember what my tuner told me he did at his shop. I didn't have any codes, but after the car was tuned it ran better than the day I bought it.

    IIRC my VE table, fans and I think my AFR was adjusted. Maybe one of those three have to be adjusted on yours?

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    Smiles for 9.5 Years cammed goat's Avatar
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    Also...when was the last time you cleaned your MAF? Keep us posted. That car sounded like an absolute monster at Spazapalooza.

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    Senior Member 01ws6er's Avatar
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    Quote Originally Posted by cammed goat View Post
    Also...when was the last time you cleaned your MAF? Keep us posted. That car sounded like an absolute monster at Spazapalooza.
    haha thanks. Well yea the tune is something that needs to be finished but it ran fine with no ses lights until about a month ago...I figured the bad 02 sensor would clear it all up but obviously not. And I haven't cleaned my MAF...ever so I'll start there.

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