Question about 1991 Ford F150

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While driving just cut off and wont start. I replaced the icm and gave a full tune up.I have spark and fuel is getting to fuel rail what to do next? 1990 F-150

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  • j_falbert May 11, 2010

    Try starting the truck with starting fluid. If it starts then you know all the spark/timing/ecm stuff is working correctly. If it starts then you need to see if you have the correct fuel pressure at the rail and check the injectors to see if they are getting power (you can use a noid light for that)

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Have you tried replacing the fuel filter maybe the fuel isn't being regulated probelly when driving

Posted on Mar 16, 2009

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