OBD2 Codes Search Engine

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June 9th 2025

P0171 / ROVER

Oxygen Sensor System Too Lean Fault Bank A

Notes:

June 9th 2025

P0171 / MOPAR

FUEL SYSTEM 1/1 LEAN

Notes:

June 9th 2025

P0171 / JEEP

FUEL SYSTEM 1/1 LEAN

Notes:

June 9th 2025

P0171 / GENERIC

System too Lean (Bank 1)

Notes:

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NOTE: Results from this database are the beginning of the diagnostic process, further investigation should be performed to confirm results before you begin repairs.