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P1189 Diagnostic Trouble Code Discussion for March 2009

Engine Oil Pressure Switch Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1189
Help Request Posted
2001 Buick Century Limited 3.1L Hesitation, Misfire VIN: 2G4WY55J01
P1189: Engine Oil Pressure Switch Circuit Malfunction. Hi all. This car has problems on acceleration. It has a miss/jerking and low power when accelerating. It happens most of the time, but sometimes not during the 1st minutes of a cold start. Otherwise during all accel, including on the highway. Also at times, wh...
March 25, 2009
1999 BMW 323i 2.5L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: WBAAM3339X
P1189: lean bank 2. Running lean p1189 (228) need help with this bmw, came in with bunch of codes, cleared codes and drove till mil. foud 4 lean codes and missfire. missfireing and ligh backfire heard in intake like a lean backfire only when first started. then short term goes +2...
March 27, 2009