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post #6 of (permalink) Old 08-08-2002, 09:16 PM
**DONOTDELETE**
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Re: What is the part between Vac.Advance and Vac Sourc

The part you are describing is some type of vac. delay valve. I am not familiar with that one. Ford used them to delay the vac. to the vac. advance and or hold the vac. on to the advance and also the EGR systems.. The color of the valve and the number of ports tells the amount of delay or bleed down time of the particular valve. I would suggest you try and get a vac. diaghram for your rig and see if it shows the valve and gives the specs. for it. Ford had a list of the valves and the time delays in the shop manuals. Maybe jeep did also. I have never seen one make as severe a driveability problem as you describe.
 
 
 
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