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

Replacing the secondary air pump...

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Old 02-01-2009, 11:36 AM
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Default Replacing the secondary air pump...

I have limited access to it if I remove the wheel well cover. Is this enough to remove it or do I need to get underneath the car? I can't tell where the mounting bolts are.
Old 02-02-2009, 08:24 AM
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Default Re: Replacing the secondary air pump...

you have to go under the car. Are completely sure it's your 2nd air pump needs to be replaced?
Old 02-02-2009, 06:22 PM
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Default Well it's not dead yet but can go at any time

Sounds like a jet engine and I keep getting this code:
16795 - Secondary Air Injection System: Incorrect Flow Detected
P0411 - 35-00 - -

I've replaced all my vacuum lines.
Old 04-07-2009, 05:56 PM
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Originally Posted by Panzer A4
Sounds like a jet engine and I keep getting this code:
16795 - Secondary Air Injection System: Incorrect Flow Detected
P0411 - 35-00 - -

I've replaced all my vacuum lines.

Where is it located? Do you have a picture? I am getting the same code trhat I cannot get rid of!
Old 04-17-2009, 07:02 PM
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If it isn't cycling off then check the relay next to the ECM. Usually about $40.
Old 06-09-2009, 05:48 PM
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"Relay next to the ECM"? elaborate, or photo please, Thanks!...Max
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