1988 Ford F350 sucking air

1988 FORD F-350
600,000 MILES • V8 • 2WD • AUTOMATIC
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JWCARTER
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  • 1 POST
I have changed injection pump,fuel pump ,and filter,can't find problem
Mar 19, 2010 at 2:50 PM
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RASMATAZ
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Could be a vacuum leak inspect all the vac hoses and spray around the intake manifold with WD40 if it lessen the leak is right there
Mar 19, 2010 at 2:55 PM