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1994 BMW 325 BMW

Tiny
J.STAMEY JR.
  • MEMBER
  • 1994 BMW 325
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 200,800 MILES
How can you disable the"check engine" light on the cars dash? I have already had it serviced, and there telling me its normal for it to stay on.
Thursday, October 21st, 2010 AT 7:42 AM

3 Replies

Tiny
XTREMEMODIFIER
  • MEMBER
  • 29 POSTS
I don't know the exact amount of time required, but a simple way is to "reset" the ECM (the computer/brain of the car) by disconnecting the battery terminals. I generally disconnect them, walk away and make some food, eat, then come back and reconnect them. Yes, many codes will cause the CEL (Check Engine Light) to come on and stay on until the ECM is reset.
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Thursday, October 21st, 2010 AT 8:15 AM
Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
I am curious who told you that. If the repairs are done correctly, then the light should not be on after resetting.
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Thursday, October 21st, 2010 AT 8:40 AM
Tiny
XTREMEMODIFIER
  • MEMBER
  • 29 POSTS
Now, though, if, let's say, they didn't reset it, well. Yeah. If this doesn't turn it off, though, it still has a problem.
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Thursday, October 21st, 2010 AT 10:33 AM

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