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89 f350 w/460 TBI

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Old Apr 28, 2017 | 09:59 PM
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89 f350 w/460 TBI

the engine wont run unless the return line from the injector manifold is "pinched off" ..
Replaced weak High Pressure pump, fuel filter, fuel regulator.. not the throttle sensor or EGR valve..


any thoughts?
Old Apr 28, 2017 | 10:27 PM
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From: Portland, OR
Car: 86 Imponte Ruiner 450GT, 91 Formula
Engine: 350 Vortec, FIRST TPI, 325 RWHP
Transmission: 700R4 3000 stall.
Axle/Gears: 9 Bolt Torsen 3.70
Re: 89 f350 w/460 TBI

I would kindly suggest you will have more luck on a Ford forum. This here forum is purely for the 82 to 92 Chevy Camaro, Pontiac Firebird, etc. Most here wouldn't know the first thing about a 460.

GD
Old Apr 28, 2017 | 10:37 PM
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Re: 89 f350 w/460 TBI

Cut or missing o-ring in pressure or return side.
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