code PO491 /495 bank 1 & 2 - Audi Forum - Audi Forums for the A4, S4, TT, A3, A6 and more!

Aug 1, 2013 | 03:35 PM

bship3636

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From: fort lauderdale

code PO491 /495 bank 1 & 2

can anypne help me with these codes?

Aug 1, 2013 | 03:35 PM

bship3636

Thread Starter

Audi Forum - Posts like an A1

Joined: Aug 2013

Posts: 4

From: fort lauderdale

Re: code PO491 /495 bank 1 & 2

help with codes

Aug 1, 2013 | 03:36 PM

bship3636

Thread Starter

Audi Forum - Posts like an A1

Joined: Aug 2013

Posts: 4

From: fort lauderdale

Re: code PO491 /495 bank 1 & 2

help with codes PO 491 & 492 bank 1 & 2

Aug 2, 2013 | 10:07 AM

Daonhathai

Audi Forum - Posts like an A4

Joined: Oct 2010

Posts: 116

From: Ontario

Re: code PO491 /495 bank 1 & 2

Your secondary air injection/pump is probably faulty or a crack/leaking vac line.

Aug 2, 2013 | 10:13 AM

bship3636

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Audi Forum - Posts like an A1

Joined: Aug 2013

Posts: 4

From: fort lauderdale

Re: code PO491 /495 bank 1 & 2

Thank you for the reply back...its funny cause i just replaced both of those air pumps.

Aug 2, 2013 | 10:14 AM

Daonhathai

Audi Forum - Posts like an A4

Joined: Oct 2010

Posts: 116

From: Ontario

Re: code PO491 /495 bank 1 & 2

You sure you did it properly didn't get any lines backwards or mixed up? Maybe it;s just a matter of clearing the codes if youve replaced it and the car is running normal

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