CHECK ENGINE LIGHT

Audi A4

Tiny

Mick Barron

April, 19, 2007 AT 2:26 PM

Does disconnecting the battery (2003 Audi A4)
reset the computer, thus turning the check engine light off?

FOUND 16895 RELATED QUESTIONS

1 Answer

Tiny

backyardmechanic

April, 19, 2007 AT 6:02 PM

Disconnecting the battery will extingush the check engine light however the cars computer will have to re-learn it's operating parameters. Driveability may be effected untill the car re-learns it's operating parameters. Another draw back is if the condition that caused the light to come in the first time still exists, the light will only come on again.

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