1997 BMW 740 OBD CODE PO446 - EVAPORATIVE EMISSION CONTROL

  • Tiny
  • chuckscifers
  • 1997 BMW 740

Engine Mechanical problem
1997 BMW 740 V8 Two Wheel Drive Automatic 140, 00 miles

How do I fix it?


Chuck

Wednesday, July 23rd, 2008 AT 5:40 PM

1 Answer

  • Tiny
  • Dr. Hagerty
  • Expert
  • 9,717 posts

The purge valve is in need of replacement. Also called the tank vent valve, it is under hood and is easily located and replaced, located in plain view at the left front area of the engine bay. If the production date is before 9/97 the part# 13-90-1-744-150 is what you seek. Most OBDII resetting devices will reset your check engine light.

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Sunday, July 27th, 2008 AT 10:57 PM

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