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Re: 1993 F140 4.9L - Bad Miss When Warmed Up
It may sound odd but i've had a 5 liter f150 have the same symptom with a bad IAC. Normally a back pressure issue is seen as a loss of power. Just curious, Have you managed to check/change the fuel filter and/or gasoline? I noticed you said the truck had sat for 2 year. Just a thought, I have seen crazier things.
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"When Lightning Strikes the Heartbeat Stops!"
'91 Mustang LX 347 StRoKeD & BlOwN
'04 Ford F-250 6L PS FX4
'95 Ford F-150
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2004-2008 Ford Master Certified Technician
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