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BMW
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2010
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535i Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Self Diagnosis - Diagnostic Trouble Codes - DTC P150A - U1166 (N54)
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BMW MSD80
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DTC P2099, BMW Hex Code 0x2C32, BMW Code 11314: Post Catalyst Fuel Trim System Too Rich (Bank 2) (MAX)
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Possible Fault Causes
Possible Fault Causes
Defective wiring. Exhaust system leak Pre-cat or downstream (post-cat) O2 sensor defective.