'89 f-150 fuel problem
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Joined: Dec 2003
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'89 f-150 fuel problem
after letting my truck idle for a few minutes in a parking lot i shifted into reverse, and the truck died. i've narrowed it down to a fuel problem, though i don't know what it could be. i've replaced the high pressure inline pump just recently and replaced the rear tank and low pressure in tank pump as well as fuel filter. i have also replaced the fuel pump relay. there is no pressure in the line and all of the connections are good. any ideas? thanks
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Joined: Dec 2001
Posts: 22,436
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From: Louisville,Ky.
It could either be a bad ECM or possibly a bad Ignition module. The pump runs as the ecm see's pulses from the pick-up in the distributor.
These would be a good place to start looking.
Jimmy
These would be a good place to start looking.
Jimmy
