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P1189 Diagnostic Trouble Code Discussion for September 2009

Engine Oil Pressure Switch Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1189
Help Request Posted
2001 Pontiac Aztek 3.4L No Start, Poor Idle Quality, Cuts out VIN: 3G7DA03E51
P1189: Engine Oil Pressure Switch Circuit Malfunction. Vehicle was towed in with complaint of no-start and overheating when vehicle was running. Customer had only a copy of the key, went to dealer and had key made and programmed. Vehicle would start but not stay running unless you have your foot on the gas. Found ...
September 29, 2009