help
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Joined: Jun 2015
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help
I have an 1988. f150 5.0 F.I black smoke hunting idle.have changed I.a.c . map sensor Ect. sensor. Tested egr.fuel pressure. And fuel filter. At wits.end don't know what else to check .been repairing for 35 yr.s so I know a little.timing also check ed.
