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P1191 Diagnostic Trouble Code Discussion for April 2005

Intake Air Duct Air Leak

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Trouble Ticket Help Requests for DTC P1191
Help Request Posted
1995 Jaguar XJR 4.0L MIL Lamp on VIN: SAJPX114XS
P1191: O2 sensor heater open circuit bank 1 2 sensor 2. I ahve performed the test for open circuit at the O2 sensor on all 4 sensors, all of which are within spec. of 5.3 ohms to 6.7 ohms. I cannot find a wiring diagram map in Alldata to follow th other instructions for testing the other DTCs listed above. I will o...
April 06, 2005
1995 Jaguar XJR 4.0L MIL Lamp on VIN: SAJPX114XS
P1191: O2 sensor open circuit bank 1 2 Sensor 2. The codes listed refer to both an open circuit, and a short circuit, 1 each for the upstream and downstream O2 sensors. Since these codes seem to come on without any specific conditions, except for the fact that the engine was very well coooled down after 2 da...
April 15, 2005