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2001 BMW 330 Service Engine Soon, Smog Failed, P0369, P0505

Tiny
2001BMW
  • MEMBER
  • 2001 BMW 330
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 60,000 MILES
I cannot reset the "Service Engine Soon" light on the car. The car passed the parameters of the smog test, but did not pass because this light stayed on after the test. We reset the computer by using the methods in the manual and reset the service interval, but that did not fix the problem either.

The Smog Technician gave us these trouble codes:
P0369 CMP Sen-B CKT Intermit Bank-1 (Camshaft Sensor Exhaust)
&
P0505 Idle Air Control System

What is the problem? What needs to be fixed? What parts need to be replaced? Until I fix this problem the car cannot be registered.
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Friday, January 8th, 2010 AT 12:33 PM

1 Reply

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Replace the exhaust cam sensor. Inspect the intake system for vacuum leaks. A smoke machine is my choice for this task. The cyclone separator and it's hoses are prone to leaking at the age and mileage you report. Plastic and rubber components underhood degrade due to the extreme environment.
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Saturday, January 9th, 2010 AT 7:15 AM

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