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View Full Version : 1988 f350 460 only runs at full throttle


barefeetny
03-09-2008, 09:18 PM
So this 460 i picked up is an early Fuel injected model....

it will start and run, but only if i hold it to the boards... lots of black smoke like its loading up...

i figure some fresh gas... new plugs and wires..i would do this regardless.. thinking its a bad map sensor.....but i wonder if anyone else has a clue on these early FIs...

if its not deisel or a carb... i'm usually just throwing parts at it....

barefeetny
03-10-2008, 01:40 PM
no biggie i'm stealing a buddys code reader tonight.... My guess is o2 sensor or that stupid map sensor..... i'll let you all know