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Truck:2001 F150
Engine:5.4 litre
Trans: automatic
Final Drive: 3.55
Mileage: 62,000
O.E.: towing pkg., am-fm-cd, pwr. everything,cruise, air, etc.
Color:monochromatic Cardnal Red, Fomoco dark tinted glass
Aftermarket asthetic mods: Spray in bedliner, Leer tonneau cover,Custom exterior graphics, D.J.M. suspension complete lowering pkg., Elegante euro tails, Line o fire L.E.D., Stull billet grille, M.B.motoring 20" Kanes on low profile Kuhmo's and many other small items.
Performance mods: K.&N. 77 series cold air intake, Supertruck true dual exhaust system with H pipe, Powerdyne powerplate throttle body spacer,Hypertech computer programmer/tuner, and on it goes.
The problem: Recently my truck has developed a driveability issue. (Under moderate acceleration Only) and at no other time, it has a annoying hesitation problem. I might add that on occasion after sitting several days when started the engine fires up and runs rough for 2-3 seconds and belches out a puff of black smoke and has a very strong fuel smell. It idles smoothly otherwise,has never stalled, and runs like a bat out of hell under hard acceleration. How about it, anybody have any idea's????? Txs in advance T.
 

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PCM Coolant Temperature Senson, (not to be confused with Gauge Temp sensor or Fan temp sensor).
That's likely your problem.


FE
 
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