Code numbers
2001 boxster S Got check engine light. Reader showed P0102, P1137, P1126, and P1133. I cleaned the MAF sensor,but light came back on. I have no idea what P1137 (clutch pedel?) means. I think P1137 and P1133 are c02 sensors. Can anyone tell me which sensors they are or should I change all four plus the MAF sensor? Thanks for any advice you care to offer. Bruce
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