check engine light

2001 BMW 330CI
147 MILES • 6 CYL • 2WD
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JCKMAN40CAR
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  • 11 POSTS
2001 330ci check engine light is on. is that a big problem or just an o2 sensor
Feb 23, 2011 at 11:01 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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RASMATAZ
  • AUTOMOTIVE REPAIR CONTRIBUTOR
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Check engine light on
Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis,finding out what's going on.

Go to Autozone they'll scan it for free-
Feb 23, 2011 at 11:05 PM
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JCKMAN40CAR
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the o2 sensor was just replaced is it possible that its not resetting. do u need to drive it a little ?
Feb 24, 2011 at 12:17 AM
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DOCHAGERTY
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  • 9,603 POSTS
Raz is correct, have the scan performed and it will tell you the next step. Driving it wont change the fact that the light is on.
Feb 24, 2011 at 2:22 PM