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Old 11-06-2007, 07:31 PM   #1
aaron
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Default Check Engine Light

Hi All,

My cats on my 97 A4Q 2.8 have been rattling like a rock tumbler. I
have ordered a new set; but, in the meantime, my check engine light
just come on last night. Everything else looked fine. Does this have
some broader implications; or will this go away with the new cats?

Thanks,

Aaron

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Old 11-07-2007, 02:33 AM   #2
Madesio
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Default Re: Check Engine Light


aaron <[email protected]> wrote:

>My cats on my 97 A4Q 2.8 have been rattling like a rock tumbler. I
>have ordered a new set; but, in the meantime, my check engine light
>just come on last night. Everything else looked fine. Does this have
>some broader implications; or will this go away with the new cats?


Hard to say unless you provided us with the fault code(s).
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Old 11-07-2007, 02:33 AM   #3
Madesio
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Default Re: Check Engine Light


aaron <[email protected]> wrote:

>My cats on my 97 A4Q 2.8 have been rattling like a rock tumbler. I
>have ordered a new set; but, in the meantime, my check engine light
>just come on last night. Everything else looked fine. Does this have
>some broader implications; or will this go away with the new cats?


Hard to say unless you provided us with the fault code(s).
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Old 11-07-2007, 02:33 AM   #4
Madesio
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Default Re: Check Engine Light


aaron <[email protected]> wrote:

>My cats on my 97 A4Q 2.8 have been rattling like a rock tumbler. I
>have ordered a new set; but, in the meantime, my check engine light
>just come on last night. Everything else looked fine. Does this have
>some broader implications; or will this go away with the new cats?


Hard to say unless you provided us with the fault code(s).
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Old 11-07-2007, 11:36 AM   #5
Erik
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Default Re: Check Engine Light

I do. I just had my 1993 90 CS driver side Cat changed. Your engine
control unit is not happy that it can't get rid of exhaust. Your car
will eventually crawl to a halt. However, Audi Service guy told me
that engine computers are smart enough to know when to shutdown and
you don't damage anything.

I would advise not driving the car if you can.

New cats will make for a new car!

Erik

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Old 11-07-2007, 11:36 AM   #6
Erik
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Default Re: Check Engine Light

I do. I just had my 1993 90 CS driver side Cat changed. Your engine
control unit is not happy that it can't get rid of exhaust. Your car
will eventually crawl to a halt. However, Audi Service guy told me
that engine computers are smart enough to know when to shutdown and
you don't damage anything.

I would advise not driving the car if you can.

New cats will make for a new car!

Erik

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Old 11-07-2007, 11:36 AM   #7
Erik
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Posts: n/a
Default Re: Check Engine Light

I do. I just had my 1993 90 CS driver side Cat changed. Your engine
control unit is not happy that it can't get rid of exhaust. Your car
will eventually crawl to a halt. However, Audi Service guy told me
that engine computers are smart enough to know when to shutdown and
you don't damage anything.

I would advise not driving the car if you can.

New cats will make for a new car!

Erik

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