P1191

BAT Team

By BAT Team (Contact Me)
Last Updated 2017-01-17
A site with free advice from mechanics.

Trouble CodeFault LocationProbable 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)

We recommend Torque Pro

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)

BAT Team Discussions for P1191

None found. Ask a question about P1191.