Audi Tt Secondary Air Pump Delete

P0411 audi meaning an air pump is used on the vehicle to lower tail pipe emissions on start up. My 2010 audi q5 i have been troubleshooting codes for 491 492 for the secondary air pump. The powertrain control module grounds the air pump relay control circuit which energizes the air pump the pcm also grounds the air combination valve vacuum control solenoid circuit which energizes the air vacuum control solenoid.

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Advice On Removing Secondary Air Pump Please Audi Sport Net

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The leaking of this pump or other bad components in the secondary air system may.

Audi tt secondary air pump delete. Very similar to other variants but the sai has to be considered on others. When where needed. This is the process for the n249 delete on the bam engine. Raise support the vehicle safely according to manufacturer jacking supporting positions.

Fuse box in passenger compartment. I always use 3mm silic. Rate comment share subscribe. For the audi tt mk1 8n 1998 1999 2000 2001 2002 2003 2004 2005 2006 model year.

Join date jan 27th 2007 location 301 571 posts 5 527 vehicles 01 gti 1 8 57trim. Put 12 volt to the air pump directly and it works checked fuse is ok checked wiring and hoses all ok can m read more. Vacuum is then applied to both air combination valve diaphragms which. The secondary air injection pump can often leak on vw and audi 1 8t engines.