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-   -   Low idle when I push the brakes (http://forums.pelicanparts.com/porsche-911-technical-forum/358588-low-idle-when-i-push-brakes.html)

Scott R 07-23-2007 08:28 AM
Low idle when I push the brakes
 
I have a brand new engine, 3.0l 9.9.2 compression, and 964 cams. With the new cams, whenever I hit the brakes my MAP goes down, and the idle lowers. Anyone have to install a vacuum canister after they changed cams, and how did you do it? Or what did you do to get around this?

Bill Verburg 07-23-2007 09:07 AM
There should be an L shaped check valve where the vac line ties into the vac can. Make sure that is functioning.

Scott R 07-23-2007 04:17 PM
Quote:
Originally posted by Bill Verburg
There should be an L shaped check valve where the vac line ties into the vac can. Make sure that is functioning.
Where is the vac can? I know where the brake booster line is, and where it goes into the firewall.....


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