MINI Cooper Forum - View Single Post - P2177/P2188 codes

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post #2 of (permalink) Old Jan 11th, 2017, 12:51 AM
SeanC
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Bank 1 pre cat, bank 2 post cat. There are 2 Lambda sensors on the car. Now just because these codes have been triggered it doesn't automatically mean that the lambda's are at fault, it just means that this is the last line in the cars's sensors thats picked up a reading that its not happy with which may be caused by a component further upstream so I'd be checking any vacuum hoses, the coil pack or it could even be the high pressure fuel pump.

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