Fuel problem

Asked by Plmnko Apr 05, 2016 at 02:16 PM about the 1993 Ford F-150 S 4WD LB

Question type: Maintenance & Repair

My 93 F150 has a problem starting and it
will die at half throttle. I have replaced fuel
pump, pressure regulator, map sensor,
throttle position sensor , distributor pick up
coil and fuel filter . I did away with rear tank
and blocked off the lines. Front tank line is
now going directly into main fuel line. Help!

2 Answers
35,335

lrodri911 answered 8 years ago

If u have the proper fuel pressure, spark and u checked timing, disconnect the Oxygen sensor to the first catalytic converter and see if it still does it, if it stays running, u have a clogged catalytic

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