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-   -   I guess im running too rich?? (https://www.audiforums.com/forum/b5-models-69/i-guess-im-running-too-rich-150587/)

slimty360 05-16-2010 10:40 PM

I guess im running too rich??
 
So my check engine light came on today and went to get the codes read:

Rich air/fuel ratio
Air lead near rear h02
faulty fuel control

Please help on whats going wrong and what I need to do to fix this?

THANKS!

Mike-2ptzero 05-17-2010 10:34 AM

Most likely a bad 02 sensor or bad maf. You need to get the actual code numbers.

slimty360 05-17-2010 07:52 PM

Code: p0422

auditech79 05-17-2010 08:18 PM

16806
P0422
Main Catalyst,Bank1 Below Threshold
That means you have a bad cat converter mate. It happens. You can still check your fuel trims on data block 32 via the vag com, but if thats your only code its probably just a bad cat caused from previous misfires. I would check your misfire counter (data block 16) and see if there are a lot of them. However having a plugged cat can cause misfires.....

Nice wheels by the way.

slimty360 05-18-2010 10:42 PM

Thanks for all the help! I appreciate it. So would you suggest on getting an oem cat, or strait pipe it instead?

auditech79 05-18-2010 11:03 PM

You can also get an HFC (high flow cat) which is much cheaper than the dealers $600 price tag, and you won't have to deal with the check engine light.

JETSPEED333 05-22-2010 02:55 PM

i got mine from ebay...high flow cat.... $150


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