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Home >> BMW >> 2007 >> 530i Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - Diagnostic Trouble Codes - DTC P1214 - DTC U1168 (N51, N52) >> BMW MSV80 >> DTC P2097, BMW Hex Code 0x2C31, BMW Code 11313: Post Catalyst Fuel Trim System Too Rich (Bank 1) (MAX) >> Possible Fault Causes

Possible Fault Causes

Drift in upsteam (pre-cat) O2 sensor - Fault in wiring to downstream (post-cat) O2 sensor - Leakage in exhaust system - Defective pre-cat or downstream (post-cat) O2 sensor

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