P1191
By (Contact Me)
Last Updated 2017-01-17
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| Trouble Code | Fault Location | Probable Cause |
|---|---|---|
| P1191 | Pre-Catalyst Fuel Trim System Bank 2 (BMW, MINI) Intake Air Duct Air Leak (BUICK, CADILLAC, CHEVROLET, GMC) HO2S Insufficient Switching Bank 1 Sensor 1 (DODGE) Key Line Voltage (FORD) Electronic Throttle System Limp Home Valve On (HYUNDAI, KIA) |
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Other Manufacturer Specific Definitions for P1191
Key Line Voltage (Ford)Intake Air Duct Air Leak (GM)
Heated oxygen sensor (HO2S) interchanged (Volkswagen)
Heated oxygen sensor (HO2S) 1, Bank 1 & 2 - interchanged (Audi)
Secondary Air Valve Or The Tube Blocked (BMW)
Intake Air Duct Air Leak (Buick)
Intake Air Duct Air Leak (Cadillac)
Intake manifold system ,-air leak (Chevrolet)
HO2S Insufficient Switching Bank 1 Sensor 1 (Dodge)
Electronic throttle system (ETS), limp-home valve – malfunction (Hyundai)
Oxygen sensor heater cylinders 1, 2, 3, 4, 5, 6 (Jaguar)
Electronic Throttle System Limp Home Valve On (Kia)
Oxygen sensor heater 2 – cylinders 1, 2, 3, 4, 5, 6 (Land Rover)
Pre-Catalyst Fuel Trim System Bank 2 (Mini)
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