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F Series Forum covers questions and discussions regarding Ford F-150, Ford F-250, Ford F-350, Ford F-450, Ford F-550, Ford F-650, and Ford F-750. |
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04-09-2011, 06:14 AM | #1 | |
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Join Date: May 2008
Location: Altamont, Tennessee
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2002 4.2 hard starting
i've got a 4.2 in a e150 it's hard to start at least 3 trimes cranking it befor it starts. it will back fire through intake almost but after it gets started it run fine. now when it's around 48mph or 54mph the motor will buck like it's shuting off. I have replaced the crank shaft acd cam shaft senors could it be the coil pack your the pcm/ecm
any help wound be great tks Leonard Last edited by fireplow; 04-11-2011 at 07:31 PM. |
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11-14-2012, 09:05 PM | #2 | ||
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Re: 2002 4.2 hard starting
Quote:
I just seen your post now and I'm understanding that your e-150 may be having a hard start problem because your not getting enough fuel. I would check you fuel pressure by hooking up a fuel pressure gauge and finding the spec you need for your vehicle. by my understanding it could be your fuel filter. |
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