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My 90 f150 4.9 i6 is hard to start;once started,runs great?

(1990 Ford F-150)
in Middleburg, FL on June 18, 2017
My truck runs great!that is once you get it started!I've replaced the fuel filter,air filter,plugs,wires and ignition coil,but that has'nt sovled the problem.Someone told me it might be the TFI module?anyone ever had this problem?
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Popular Answer
on June 18, 2017
Yes, the Thick Film Ignition Module could be in question. Especially if it is one that is mounted on the distributor, as on your Ford. Is it cranking without starting? Check for a lack of spark at the spark plugs when this is happening, and you'll find it's likely the TFI module.
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