89 f-150 302 black smoke on startup
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From: Greenville, NC
89 f-150 302 black smoke on startup
Suspect truck: 89 F-150, 302 FI. You have to hold the throttle to the floor to start it, crank it excessivly, and when it finally starts it billows out black smoke for s second, then clears right up. Runs fine after that. Any ideas? Spark plugs and wires have been changed.
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