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      06-19-2012, 03:28 AM   #6
Mike Benvo
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Drives: Harrop SC M3 / E46 M3 / 7Turbo
Join Date: Apr 2008
Location: SoCal

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2008 BMW M3  [5.00]
1990 BMW 735i Turbo  [5.00]
2004 BMW M3  [0.00]
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Bank 2 pre-catalyst oxygen sensor pumping current calibration error

Engine temperature > K_LAVK_OBD_TMOT * Sensor temperature > K_LAVK_OBD_VK_TEMP * since recognition of overrun an air mass flow of K_LAVK_OBD_SA_ML_SUM must have occurred

Oxygen sensor is available, sensor voltage > K_LAVK_OBD_SA_DIAG_OL

1. Check plug and wiring harness to pre-catalyst oxygen sensor forward of Bank 2 catalyst (especially IA trim wire)

2. If OK, replace oxygen sensor


Replace that oxygen sensor, clear faults and see if any return.
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