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Old 01-05-2009, 10:30 PM   #1
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Uh-Oh.

Well uh, I need help BAD.

I was driving today and my SES light came on. I thought it was my for my cats but it said that bank 1 was running lean. So uh, what the **** do I do.......

If this keeps happening then I'm going to swap my O/R pipe for a catted one.......

Sorry I've been asking so many Q's lately.
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Old 01-05-2009, 10:39 PM   #2
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Re: Uh-Oh.

you need to check for an exhaust leak on bank 1 before the O2 sensor. also you can check for an intake vac. leak on bank 1
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Old 01-05-2009, 10:49 PM   #3
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Re: Uh-Oh.

Ok cool, thanks dude. I'm just going to take it to them and tell them to fix it
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Old 01-05-2009, 10:50 PM   #4
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Re: Uh-Oh.

anytime
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Old 01-05-2009, 10:58 PM   #5
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Re: Uh-Oh.

Would a tune also help?
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Old 01-06-2009, 05:53 AM   #6
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Re: Uh-Oh.

Did the exhaust shop turn off the rear 02's for you? If not make sure you get some MIL eliminators.
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Old 01-06-2009, 11:09 AM   #7
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Re: Uh-Oh.

Quote:
Originally Posted by Mustang GT HO View Post
Would a tune also help?
a tune will help the car overall, but not the problem you are having. if you are running an off road x the tune will take the place of the MILs.
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