AudiWorld Forums - how long (time or # of miles) until CELs come up?

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black97quattro

08-29-2006 02:12 PM

how long (time or # of miles) until CELs come up?

Just wondering if there is a certain amount of time or number of miles until the ECU records any problems with the car and throws a CEL.

My problem seems to have gone away, I reset the ECU, drove 65 miles, along with 20 minutes at least of idling. I have not gotten another CEL for insufficient flow to EGR. Hoping its cured, or do I need to log in more miles?

EDIGREG

08-29-2006 03:07 PM

Usually they come up immediately if there is a problem, but they can be sparatic

Audi Logic

09-03-2006 06:06 PM

mine always comes back, I can go for days or weeks but it pops back up sooner or later

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