What do you think of these codes??

[Dark Knight]

my car has been into the dealer for a couple of days to track down a misfire. as soon as they found out it was chipped (O.CT ECU and tranny) they didn't really persue it much further.

the dealer is saying the car is running rich and lean at the same time, which of course is impossible and they're not interested in figuring out what the problem is. here are the codes, anyone got any theories????

6 Faults Found:

17535 - Fuel Trim; Bank 1 (Mult): System too Rich

P1127 - 002 - Lower Limit Exceeded - Intermittent

17537 - Fuel Trim; Bank 2 (Mult): System too Rich

P1129 - 002 - Lower Limit Exceeded - Intermittent

17546 - Fuel Trim: Bank 2 (Add): System too Lean

P1138 - 001 - Upper Limit Exceeded

17544 - Fuel Trim: Bank 1 (Add): System too Lean

P1136 - 001 - Upper Limit Exceeded

16684 - Random/Multiple Cylinder Misfire Detected

P0300 - 001 - Upper Limit Exceeded - Intermittent

16688 - Cylinder 4: Misfire Detected

P0304 - 001 - Upper Limit Exceeded - Intermittent

[nene]

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Do a search on AW, and I think you will find lots of answers.
Small sample provided above.