× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: VW secondary air monitor & pump not running
Posted to Technical Discussion Forum on 1/22/2010 9 Replies

Hi Jeff

FWIW.....

Take close look at the air pump housing. Usually the rivets that join the 2 halves are broken and the pump looses pressure.

I use the VCDS to turn on the pump via the output test. Usually I can hear if it sounds funny, like it is leakin... Login to read more.

9 Replies Received (View Replies)