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bank 1 lean and bank 2 lean

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Old 11-01-2006, 12:40 PM
  #11  
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I have a feeling that the MAF is a big contributor to the issue.
I would try putting the stock one back on.
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Old 11-01-2006, 03:25 PM
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cleaning the maf will help too, they make a special cleaner now, but I think electronic contact cleaner in the spray can works too.
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Old 11-01-2006, 04:00 PM
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cfc makes the cleaner i believe
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Old 11-02-2006, 09:15 PM
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bank one and two lean usually mean the intake gaskets on these are leaking....get a new set....20 minute job......that would be what I go after first.
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Old 11-06-2006, 09:09 PM
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put the stock one on, and no problems, thanks guys, powers back too. just wierd after 30,000 miles though,
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Old 11-06-2006, 09:13 PM
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another aftermarket maf story! glad to see you got it worked out!
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Old 11-06-2006, 09:16 PM
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Cool deal.Like i said i put one on mine and it tripped the code almost right away.Glad you got it fixxed up.
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Old 12-01-2006, 03:01 PM
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I think my GMS fried my cats, I havent hear of anyone else having them go bad at 89,9000.
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