SOLVED - wire problem causing Random Stalling and Hiccupping - Ford Powerstroke Diesel Forum
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post #1 of 14 Old 06-11-2019, 06:39 PM Thread Starter
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SOLVED - wire problem causing Random Stalling and Hiccupping

I've got a 2004 F-350 with a 6.0 that has been misbehaving lately, random stalling and random hiccupping or stalling while driving.

My truck is stalling at random times, sometimes while driving but mostly at idle. It usually will start right back up and may do it again a few times in a few minutes or not do it again for some times an hour.

I've got the Torque App on my phone and an OBD reader. Been watching DieselTechRon videos on YouTube and learning a lot but I've still got a lot to learn.

Been trying to locate the cause of this problem unsuccessfully for several weeks.

Replaced the ICP sensor,
Replaced the FICM relay.
Replaced the FICM power supply.

At this point I suspect the cause of the problem is from a bad wire or a bad ground connection.

Do you think I'm heading in the right direction or does anyone have other suspicions of what may be causing this.

Any advice, input, recommendations or prayers would be appreciated.

Thanks,
Lloyd
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post #2 of 14 Old 06-12-2019, 03:06 AM
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What's the icp pressure doing when this happens?

Mine did this when the IPR was going out.

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post #3 of 14 Old 06-12-2019, 03:09 AM
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Any codes?

If not, concentrate on the IPR valve/valve wiring or fuel pressure.

This may help:
https://www.powerstroke.org/forum/6-...s-chafing.html
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post #4 of 14 Old 06-12-2019, 11:16 AM Thread Starter
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This is what I'm getting on the Torque App when the truck is running at idle before any stumbling, hiccups or stalls.

FMP - 48.5 Volts
ICP-1.1 Volts
IPR % - 29.4
HPOP/ICP 890.9 PSI
FICM SYNC - 1.1
VBatt - 12.5
InjPW - 1144.0
EBP - 17.4

There is no visible drop in any of the numbers prior to a stall. The IPR drops to 14.5 after it has stalled and the HPOP/ICP Pressure drops the around 60 PSI but this is normal isn't it?

When I scan for faults no faults come up.

I appreciate everyone's help. I'm 61 and this is the first Diesel truck I've owned. I love it and would like to keep it for many years, only has 277k miles on it.

I'm open to all ideas and suggestions to what is causing the stalling problem. From experience with other vehicles I'm prone to suspect a bad ground somewhere or a bad wire.

Thanks for sending the thread on the chaffing/grounding issues. I'm going to read, study and look next at that. I'll let you know what I discover.

Thanks,
Lloyd
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post #5 of 14 Old 06-12-2019, 11:21 AM Thread Starter
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By the way, I've replaced the fuel filters, did not find any water in the fuel. I checked the fuel filter with the filter out, cranking it with the starter cable under the hood. It looked normal, no bubbles or sign of anything abnormal.

Looking at the wiring.

Any other things I should check?
Thanks!
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post #6 of 14 Old 06-12-2019, 12:52 PM Thread Starter
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Based on my IPR and ICP numbers from the Torque App does it seem like the IPR valve could still be the cause or do the Torque App numbers indicate that the problem is somewhere else?

When I'm driving the truck the ICP % runs in the mid 20's up the the 50's and the IPR pressure goes up to 3,000.

The truck runs awesome, lots of power, lots of torque!
Until it suddenly and unexpectedly stumbles, hiccups and stalls.

Scratching my head. I've checked and cleaned the 100 and 101 ground connections, going to take it for a ride and see how it does.
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post #7 of 14 Old 06-12-2019, 02:06 PM Thread Starter
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Based on my IPR and ICP numbers from the Torque App does it seem like the IPR valve could still be the cause or do the Torque App numbers indicate that the problem is somewhere else?

When I'm driving the truck it runs excellent. No hesitation, no misfires..... Until it stalls or stutters.

I just took it for a spin, only stalled once. Ran the fault codes on the Torque App and this is what came up

Fault log report generated by Torque for Android
=================================================

Vehicle VIN: Not present
Vehicle Manufacturer: Unknown
Vehicle Calibration ID: Not present

Current Fault Log
------------------
ECU reports no current faults

Pending Fault Log
------------------
ECU reports no pending faults

Historic Fault Log
------------------
ECU reports no historic faults
Other discovered fault codes
(possibly pending, current or manufacturer specific)
----------------------------------------------------
P0341: Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 or Single Sensor)
P0488: Exhaust Gas Recirculation Throttle Position Control Range/Performance
P0603: Internal Control Module Keep Alive Memory (KAM) Error
P0611: Unknown code - More information may be available on the web
P0683: Unknown code - More information may be available on the web
P1378: [Seat/Audi/Volkswagen] Cyl. 8, ignition circuit short to ground

P2290: Injector Control Pressure Too Low
P2614: Camshaft Position Signal Output Circuit/Open
P2617: Crankshaft Position Signal Output Circuit/Open

End of report.
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post #8 of 14 Old 06-12-2019, 04:49 PM
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I was just thinking that it sounds like a CMP to me. They can play their little games for quite some time before throwing a code.

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post #9 of 14 Old 06-12-2019, 08:45 PM Thread Starter
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Thanks mpholland.

P2614 & P2617 are 2 of the codes showing up, looks like they are related to the CMP.

I just watched a video on these two codes that was posted by DieselTechRon. He says the OEM camshaft sensors usually never go bad, only problem is I'm the 7th owner and have no idea if mine is OEM. Anyway the one he was working on needed the wiring to the camshaft sensor replaced.

So I'm going to wiggle the wire while the truck is running and see if it hiccups or stalls if not then perhaps it is the sensor.

I'll let you know what I find out.

If anyone would like to see DieselTechRons video on this it can be found here...

https://youtu.be/ae9i5URyCXY

Thanks, to all

Hopefully I'm headed in the right direction and getting closer to finding the cause and fixing the problem.
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post #10 of 14 Old 06-13-2019, 11:23 AM Thread Starter
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Found the problem! So simple it could be embarrassing.

A friend of mine recommended that I wiggle every wire while the truck is running and if it stalls as you wiggle then the problem is found.

I took his advice and started below the truck, wiggled the Camshaft Position Sensor wire, no stall. Came up top and wiggled every wire I could get to. No stalls. I was beginning to think the wiggle test wasn't going to pay off. I came around the the drivers side and wiggled a red wire below the power steering reservoir immediately the truck stalled. Joy to the world!!! I cranked it up taped the same wire and it didn't stall so I wiggled the PS reservoir, boom it stalled. Cranked it up again, repeated last wiggled, boom it stalled again!

Next I'm going to take off the PS reservoir so I can get the the red wire and several other wires nearby. Hooray! finding the problem can be the hardest part.

I must not forget the give glory to my Lord and Savior Jesus Christ. I've done a lot of praying about this problem and most likely would still be scratching my head. Prayer works!
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