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post #5 of (permalink) Old 01-31-2019, 03:04 PM
bugman
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Start by finding your vacuum manifold and getting some caps to go on the lines.

Then pull one off at a time and plug it, then see if there is a difference in the air flow. This will eliminate all the lines but the ones for the HVAC system but it will give you a place to start.

96 F250 PS XLT 4X4 long box, 5sp,4.10, manual hubs,pyro+boost guages, Dark Toumaline, add a leaf, Dale's TYMAR, and HX hose, downpipe, coolant filter, Luk clutch
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