I have a 1988 ford f350 cranks but won't start

SOURCE: 1992 ford ranger 3.0

i was once pulling a trailer with a ranger when it suddenly lost power and the engine died. turns out the problem was with the fuel shut off inertia switch. the switch is supposed to activate in case of accident. on my model the inertia switch is located in the passenger side under the glove box. dont know where yours is located. once you find it, just push the button and see if it resets. good luck.

SOURCE: 1991 Explorer fuel pump

so where is the shut off reset for the fuel pump on the 91 explorer? does anyone really know?

SOURCE: Fuel Problem

fuel pressure regulator? This diverts excess pressure from the rail back to the tank. When they wear out they usually stay stuck open thus diverting all pressure back to the tank. Pressure tests do not reveal this as pressure is checked before the rail not in it. I do believe you have a bad fuel regulator. They are 75US ouch.

SOURCE: Ignition doesn't work

Check the fusible link that feeds the starter solinoid, the remote starter by passes it.

SOURCE: 1988 ranger 2.9 no fuel pressure new pump

check the pulse on the injector wire with a noid lite or a meter. If no flash then you most likely need a computer. Its called a quad driver in the PCM thats fried. You may have a shorted component that caused it to fail.

Since you say it will run if you add fuel manually I don't suspect the crank sensor because you have spark.

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