72cut Posted July 28, 2024 Posted July 28, 2024 88 comanche 4.0 Nauseating black smoke coming out of exhaust. I mean this stuff is nauseating feel it in your head, sinuses, makes you gag. What are potential causes just put new fuel pump on
Ωhm Posted July 28, 2024 Posted July 28, 2024 Can you check fuel pressure? Check vacuum hose between MAP and engine manifold.
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