# PO492 Secondary Air Injection

**URL:** <https://community.cartalk.com/t/po492-secondary-air-injection/5461>\
**Category:** Maintenance/Repairs\
**Created:** [October 4, 2007, 4:45am UTC](https://community.cartalk.com/t/po492-secondary-air-injection/5461 "2007-10-04T04:45:00Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![89\_mercury](https://avatars.discourse-cdn.com/v4/letter/8/a6a055/32.png) [@89\_mercury](https://community.cartalk.com/u/89_mercury)\
**Post date:** [October 4, 2007, 4:45am UTC](https://community.cartalk.com/t/po492-secondary-air-injection/5461/1 "2007-10-04T04:45:00Z")

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01 BMW x5 3.0 need help bad this is my foot doctores car. Pump work fine in cold start for one minute which is right. I put new comi bi valve vacum is good on cold start. But MIL light still come on this has me. Only thig left is vacum selednoid.  
  
 HELP PLEASE Joe