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vacuum advance question


seanc77339
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First port on the Throttle body towards the front of the car is:

Distributor Advance Control Vacuum. (Nipple D) DO NOT REMOVE OR CAP THIS PORT.

 

The Second port is:

EGR Valve Control Vacuum. (Nipple E)

 

The third port is:

Secondary Air Control Vacuum. ( Nipple M)

 

If you still have the second (Nipple E) and third port (Nipple M) active.Removing the vacuum lines can wreck havoc on you entire system.

 

Bill

Edited by Caliber308
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Here is an understandable explanation of the vac system.

 

http://www.starquestclub.com/forum/index.php?showtopic=117852&hl=&fromsearch=1

 

Just disconnecting those lines and leaving everything else might cause some problems with the EGR. You'll need to also cap both blue line feeds to the EGR

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