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2002 BMW 525i Question: What do these diagnostic codes mean on my 2002 BMW 525I with 96,000 miles.

 

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Nikos, Kalamazoo, MI, March 03, 2012, 14:47
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P0171, P0174, P0300, P1083,P1085
P0313, P1342, P1344, P1346, P1348, P1350,P1352 . . . I am getting rough idling and sluggish performance. My research tells me it may be the Intake Manifold Runner Valve/Adjuster Unit or Idle Control valve or Mass Air flow Sensor or Cam Shaft Position Sensor or Vacuum Leak or Oxygen Sensor. Or it may need a good Tuneup. The car lacks acceleration. The rough idling with sometimes engine shutoff occurs mostly in the idle position.

Hope this helps!

Thanks.

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