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P1189 Diagnostic Trouble Code Discussion for April 2012

Engine Oil Pressure Switch Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1189
Help Request Posted
2000 BMW 328i 2.8L MIL Lamp on VIN: WBAAM5340Y
P1189: B1 s2. ... soon light coming on at highway speeds. Codes P1188 and P1189 stored. I looked in Alldata and Mitchell for diagnostic charts but there is nothing on these codes. It did say it had something to do with the up-stream oxygen sensors and the vehicle has 120k m...
April 04, 2012