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P1140 Diagnostic Trouble Code Discussion for January 2011

Intake Valve Timing Control Position Sensor Circuit Malfunction (Bank 1)

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Trouble Ticket Help Requests for DTC P1140
Help Request Posted
1996 BMW Z3 Roadster 1.9L Poor Idle Quality, Misfire VIN: 4USCH7328T
P1140: Mass or volume air flow circuit range/performance problem. Intermittently problem with poor idle quality and misfire. I have driven this car for a 1/2 hr. stopped and drove for another 1/2 hr and everything worked perfect. The next time I started the car it had a poor idle and a bad misfire. This is when the codes s...
January 27, 2011