7.3 needs pump from gas pedal to start.. why? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 2 (permalink) Old 04-30-2019, 08:42 PM Thread Starter
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7.3 needs pump from gas pedal to start.. why?

Ford E350 1997 7.3 diesel 260k

The engine will just crank and not start...... UNTIL I tap the gas pedal then the engine starts. The 7.3 will also start right back up after it runs, but after a few minutes of the 7.3 not running, I need to tap the gas pedal to get it started again any thoughts?

Air temp 60 degrees

Thanks in advance!
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post #2 of 2 (permalink) Old 05-01-2019, 02:14 AM
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Re: 7.3 needs pump from gas pedal to start.. why?

All I can think of is possibly a stuck Idle Validation Switch (IVS). Maybe try some spray electrical contact cleaner on it. Cheers!

97 F250 SC 4x4, E4OD, 4.10 LS, Basically Stock, Relocated Block Heater Plug, Ext Trans Filter, Tru-Cool Max, I/C Mounted but not Plumbed

SOLD: 94 F350 CC DRW PSD, 5 Speed, 4.10 LS, SBC Con-O, Baldwin Filter, Tymar HPX Hose, 3 DP, Bilsteins, $12 AIC, Coolant Filter, Explorer O/H Console, Trans Temp, Boost, and Pyro, Pedestal Mod, Gutted EBPV
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