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June 29th 2025

P1191 / ROVER

Oxygen Sensor Heater Circuit Open Downstream

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June 29th 2025

P1191 / JAGUAR

Key Line Voltage

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June 29th 2025

P1191 / GENERIC

Key Line Voltage

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June 29th 2025

P1191 / CHEVROLET

Intake Air Duct Air Leak

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June 29th 2025

P1191 / CADILLAC

Intake Air Duct Air Leak

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June 29th 2025

P1191 / BUICK

Intake Air Duct Air Leak

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June 29th 2025

P1191 / BMW

Pre-catalyst Fuel Trim System Bank 2

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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.