Question about 1989 Ford F 250
When trying to start the fuel pump will run for minutes at a time, engine will not start until pump reaches prime, no fuel pressure in the fuel rail.Dual tanks , does this with either tank?
Get fuel pressure tester to see if you don't have enough to start car. could be fuel line leak
Posted on Feb 09, 2014
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Posted on Jan 02, 2017
You are right. There are three pumps. It sounds like the transfer pump in the front tank is bad. The in tank pumps just supply the high pressure pump to keep it primed. You need the front pump.
Posted on Sep 21, 2009
A FORD EQUIPED WITH DUAL TANKS THIS YEAR MODEL HAS CHECK VALVES IN THE FUEL PUMPS .THE FUEL RUNS FROM THE REAR TANK WHEN IT IS POWERED ON TO A TEE AND INTO THE SAME LINE AS THE FRONT PUMP . THE PROBLEM IS AT THE BOTTOM OF THE FRONT FUEL PUMP THERE IS A CHECK VALVE ON THE FOOT AND IT IS NOT WORKING.WHILE THE TRUCK IS RUNNING WITH THE REAR FUEL PUMP ON IT IS PUMPING FUEL INTO THE FRONT TANK . IT WILL RUN OUT OF THE NECK WHEN IT IS FULL.THE FIX IS SIMPLE REPLACE THE FRONT FUEL PUMP. THEY DONT MAKE A CHECK VALVE REPLACEMENT I CHECKED I HAD THE SAME PROBLEM AS YOU.
Posted on Oct 13, 2009
SOURCE: 1997 F250 with dual fuel
If fuel injected. the tank selector valve switches both the suction line from the tank and the return line back to the tank. It sounds like you have a stuck or bad tank selector valve if the return is not being ported back to the rear tank.
Posted on Apr 22, 2011
SOURCE: 2004 ford taurus ses 3.0
The fuel pressure regulator is on the fuel rail..But it sounds like to me like a stuck idle air control or a vacuum leak..Look carefully at all the vacuum lines and make sure they are not broke or crimped..If it stuck idling high you can tap on the valve and the idle will come down
Posted on Sep 05, 2011
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