UUUGGGHHH!!!!!!! - Mustang Evolution

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Old 08-29-2012, 06:53 PM   #1
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UUUGGGHHH!!!!!!!

One code after another keeps popping up I have changed my MAF sensor, fuel pressure regulator, and O2 sensors and my car still says it it rich on bank 1 and bank 2 someone please give me some ideas on what is going on
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Old 08-29-2012, 10:51 PM   #2
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Re: UUUGGGHHH!!!!!!!

usually when both banks are lit up there's a vaccum leak somewhere or an upper intake leak
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Old 08-29-2012, 11:33 PM   #3
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Re: UUUGGGHHH!!!!!!!

Quote:
Originally Posted by Brake.handle View Post
One code after another keeps popping up I have changed my MAF sensor, fuel pressure regulator, and O2 sensors and my car still says it it rich on bank 1 and bank 2 someone please give me some ideas on what is going on
When mine gave me the same codes it was my CAI filter. I over oiled it. So don't start replacing part after part and try to trouble shoot it before spending a bunch of $$$$$. As mentioned before my post. It has something to do with air delivery issue. Those codes a real generic and just saying that by the time the air reached the 02 sensors it failed. Good luck and don't give up.
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