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Old 12-03-2019, 12:10 PM
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Default Move steering wheel or brake and it stalls..

Hey guys I picked an 06 6.0 F-350 dually and I have a weird issue.

If I start it and turn the wheel or touch the brake it stalls, it also stalls while sitting at idle after ten minutes. There is no remote start. I have checked FICM, ICP. I replaced the alternator and EGR valve for other issues.

The only common thing I see with the PS and brake is the hydroboost. Is there anything I should be looking at? I don't see any chaffing on the harness at all.

Thanks in advance,,
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Old 12-03-2019, 02:56 PM
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Fluid level OK in the power steering reservoir? Unrelated but I found out that my commuter car (99 Accord) will not start when the power steering reservoir is empty.
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Old 12-03-2019, 03:15 PM
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Ya level is good.. I'm going to get an adapter so that I can check fuel pressure. If I keep the idle up a bit it won't shutoff pushing the brake or turning the wheel.. I have checked damn near everything and no go..
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Last edited by Atsah; 12-03-2019 at 03:28 PM.
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Old 12-03-2019, 05:52 PM
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Ya level is good.. I'm going to get an adapter so that I can check fuel pressure. If I keep the idle up a bit it won't shutoff pushing the brake or turning the wheel.. I have checked damn near everything and no go..
Shuts off just like you turned the key or slowly dies?
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06 F350 CCSB 4x4 6.Blow ZF6, 220k - Injectors, Turbo, Fass, currently in pieces
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05 F250 CCSB 4x4 6.Blow 5r110, 230k - Hybrid 250/100's, S369, RR, Fass
Past: Several 7.3s and a few 6.4's
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Old 12-03-2019, 05:58 PM
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Shuts off just like you turned the key or slowly dies?
Just like you turned the key off..
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2007 F-450 SC Flatbed 6.0

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Old 12-04-2019, 08:50 AM
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Just like you turned the key off..
Thats very strange. I would examine the wiring under the steering column and under the dash to see if there arnt some bare wires shorting out, not sure how the brakes pedal would tie into that or why it would stay running with an elevated idle but thats just an idea.
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94.5 F350 CCLB Dually 4x4 Western Hauler FB 7.3 PSD ZF5, 370k
06 F350 CCSB 4x4 6.Blow ZF6, 220k - Injectors, Turbo, Fass, currently in pieces
Pulling Truck
05 F250 CCSB 4x4 6.Blow 5r110, 230k - Hybrid 250/100's, S369, RR, Fass
Past: Several 7.3s and a few 6.4's
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Old 12-04-2019, 10:15 AM
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Thats very strange. I would examine the wiring under the steering column and under the dash to see if there arnt some bare wires shorting out, not sure how the brakes pedal would tie into that or why it would stay running with an elevated idle but thats just an idea.
That's the first thing I did.. Sure sounds electrical to me. I'm going to check fuel pressure today and check the IPR screen..

The alternator wasn't working, I replaced it, the FICM readings 48.5V look good but I wonder if the low voltage wrecked it..
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2016 Taurus AWD SHO Interceptor
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Old 12-05-2019, 09:05 AM
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Just in case anyone has the same stalling while turning the wheel or braking at idle.. I have a vacuum leak in my hydro boost system..
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Old 12-05-2019, 09:59 AM
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Just in case anyone has the same stalling while turning the wheel or braking at idle.. I have a vacuum leak in my hydro boost system..
Interesting... glad you figured it out.
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Old 12-05-2019, 01:11 PM
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Hmm. Hydroboost does not use vacuum.
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