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i hve a 88 ranger .2 wheel drive .ok i parked it for the night. went to start it the next day nothing. did not here high pressure pump come on. so i replaced pump and fuel filter. still nothing so repalced relay still nothing. traced wires cant find any broken. we bypassed tihe inertia switch years ago.replace ignation switch and tps . nothing still . if you hook wire giong to pump from the inertia switch to 12 volts pump in tank comes on but not the high pressure. if you apply 12 volts to both they run.hear fuel coming from return but still truck will turn over but wont run. if you spray ether in it will run for couple seconds. anybody got any thing they could think of. i have tried everything short of the computer
also red vacuum line came off where does it hook on throttle body