A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

Does MIL store errors?

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Old 06-30-2010, 06:06 PM
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Default Does MIL store errors?

I have a 2001 a4 1.8t w/ 81,000. The MIL has been going on and off what seems like sporadically for the last two weeks. I have not noticed any change in how the car drives, although I don't drive it aggressively or anything like that.

Just curious if the MIL has a memory of the errors, or if I need to take it to my mechanic while the light is on.

Thanks in advance.
-Tim
Old 07-01-2010, 05:26 AM
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Originally Posted by straubtm2
...or if I need to take it to my mechanic while the light is on.
Hi Tim

Nope the errors will still be logged and can be retrieved if the light is off.

Cheers
Massboykie
Old 07-01-2010, 07:03 AM
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Originally Posted by massboykie
Hi Tim

Nope the errors will still be logged and can be retrieved if the light is off.

Cheers
Massboykie
Cool, thanks for the info.
-Tim
Old 07-01-2010, 08:01 AM
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Originally Posted by straubtm2
Cool, thanks for the info.
-Tim
That's somewhat true but after a number of cycles it may clear out on its own.

Why don't you buy an inexpensive code reader and keep it in the car, you can buy a generic code reader for less than $50?

You plug it in at the OBD II socket under the steering column.

That way you could check the code before and write it down before you go to the mechanic. Way more efficient use of your time and $$.
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