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Multiple Pcodes 1133 1126 2177 2187 2179 Where to start?

Recommended Posts

2006 Cayman S with 56k miles and Fabspeed exhaust with sport cats.


Took the car out for a morning ride and the CEL came on.  Brought it home and pulled the codes.  Now the car will start, but rough idle and then shut off within a few seconds. With the multiple codes, I am looking for advice on where to begin in the diagnostic process.  The codes are:







Also, I have attached a photo of the engine that may provide a clue as to what is wrong with the car.


Thanks in advance



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P1133 Lambda control adaptation FRAU (lower load range) - below limit value or above limit value

Possible fault causes
- Incorrect main filling signal from hot-film mass air flow meter
- Fuel pressure too high
- Injection valve faulty (dripping)
- Tank vent faulty (does not close completely)


Possible fault causes
- Intake system leaking (secondary air)
- Incorrect main filling signal from hot-film mass air flow meter
- Leak in exhaust system
- Fuel pressure too low
- Fuel injector faulty (stuck)
- Fuel pump delivery too low


P1126 Lambda control adaptation FRAU (lower load range) - below limit value or above limit value

Same as above (P1133)


P2177, P2187, P2179 

Same as above

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