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P0150 Diagnostic Trouble Code Discussion for May 2010

Air Fuel Sensor (Bank 2 Sensor 1) Closed Loop Performance

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Trouble Ticket Help Requests for DTC P0150
Help Request Posted
1997 BMW 740iL 4.4L Poor Idle Quality, MIL Lamp on VIN: WBAGJ8326V
Infamous 4.4 vacc leak question? This car appears to have a vac leak but the smoke test does not find it. Those that have dealt with this please chime in. Does the cover plate at the back of the intake manifold only leak when under vacuum such as when the engi...
May 26, 2010