random stalling?

MT Pockets · 05-15-2012, 08:13 PM

hello guys. Truck is an 06 250. 142,xxx miles. Bone stock. replaced FICM 1-6-12 EGR also. cam sensor replaced 12-08-10 (20,000 miles ago). Truck was at dealership 5-12-12 for diag, came back with a glow plug circuit open cyl 7 (only DTC). This thing randomly stalls while driving. Its really becoming a safety hazard, however it starts right back up. Sometimes it goes weeks without stalling other times its 2-3 times a day. Can anyone tell me what I'm chasing? I can't afford to keep taking it to a dealer for them not to find anything. It gets the oil and fuel filters changed every 5,000 miles with motorcraft filters and rotella 15-40 oil. PLEASE HELP. Its driving me insane!!!

lilpooh · 05-15-2012, 10:53 PM

That sounds like a tough gremlin to find. I would start with going over the entire engine wire harness.

Do you have a way to monitor and data log live readings? How about a fuel pressure gauge?

MT Pockets · 05-15-2012, 11:45 PM

I've done the "wiggle test" on every harness and clip I can reach. No way to read live data or fuel psi. I know I need gauges to properly monitor critical components on a 6.0,but I've yet to get them. Everything was in check while hooked to the dealers computer (or so they say).

harry6.0 · 05-16-2012, 01:45 AM

When did this stalling problem first surface? Was it before or after the ficm replace? And how does the stalling occur, like coming to a stop or driving at steady speed? Main battery power and ground connections would be the first items to check. I agree with lilpooh, could be a tough nut to crack. But purchasing a simple and fairly inexpensive device like a ScanGauge-2 could be a very useful tool in helping determine the right direction for a resolution. I think the stickies section at the top of the 6.0L forum has some wire chaffing info, have to look myself.

Harry

harry6.0 · 05-16-2012, 01:52 AM

Here is the wire chaffing info, if you can't open it here, then go to the stickies section.

http://www.thedieselgarage.com/forum...6&d=1201892575

Harry

MT Pockets · 05-16-2012, 04:15 PM

The stalling was occuring before the FICM replacement. Dealer told me it would fix the problem. It stalls at random ( completely stopped, accelerating, decelerating, steady speeds,etc.). I will read up on the chafing info and recheck batteries and alt. Thanks

harry6.0 · 05-17-2012, 02:21 AM

Another thought is the ignition switch or steering column harness to the ignition switch.

Harry

lenzhotrod · 05-17-2012, 02:16 PM

Since there are no codes, like Harry I would suspect key switch or a fuel problem. Anything else should pop a code. You could have a bad fuel pump, you could have a bad fuel connection, you could have a bad fuel pump relay, you could have a plugged fuel filter, you could have......... . Test, verify, repair. Does any one know if a code will set if the FICM were to lose power?

MT Pockets · 05-17-2012, 04:48 PM

Fuel filters were just replaced. It shuts off like you turn the ignition off, no sputtering or bucking. I'm looking into a scanguage and Fuel psi guage to help try and eliminate some possibilities. Thank for the suggestions. I'll report back as I go through the investigation.

bismic · 05-18-2012, 05:04 AM

Any bubbles in the fuel when watching the fuel in the secondary fuel filter bowl (cap off)?

05-15-2012, 08:13 PM	#1
MT Pockets Junior Member Join Date: Oct 2011 Location: Central Florida Posts: 105 Points: 10,209 Thanks: 69 Thanked 24 Times in 22 Posts	random stalling? hello guys. Truck is an 06 250. 142,xxx miles. Bone stock. replaced FICM 1-6-12 EGR also. cam sensor replaced 12-08-10 (20,000 miles ago). Truck was at dealership 5-12-12 for diag, came back with a glow plug circuit open cyl 7 (only DTC). This thing randomly stalls while driving. Its really becoming a safety hazard, however it starts right back up. Sometimes it goes weeks without stalling other times its 2-3 times a day. Can anyone tell me what I'm chasing? I can't afford to keep taking it to a dealer for them not to find anything. It gets the oil and fuel filters changed every 5,000 miles with motorcraft filters and rotella 15-40 oil. PLEASE HELP. Its driving me insane!!!

05-15-2012, 10:53 PM	#2
lilpooh Member Join Date: Dec 2008 Location: Sassamansville PA Posts: 1,661 Points: 35,944 Thanks: 240 Thanked 258 Times in 226 Posts	That sounds like a tough gremlin to find. I would start with going over the entire engine wire harness. Do you have a way to monitor and data log live readings? How about a fuel pressure gauge? __________________ 2004 F350 CC DRW King Ranch X-3 tunes by DJ,QT,GH,ID,Gyphon FICM tuner,head studs,II Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,Snow Perf stage II,EGR delete,AD2,4" turbo back straight pipe,K&N intake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB Thanks to:JASONS REPAIR AND PERFORMANCE-TELFORD,PA. "Are diesel pickups hot rods? Yes,they are-perhaps the most versatile hot rods ever made"---Diesel Power Magazine

05-16-2012, 01:45 AM	#4
harry6.0 Senior Member Join Date: Dec 2008 Location: Spokane WA. area Posts: 2,256 Points: 48,687 Thanks: 753 Thanked 565 Times in 446 Posts	When did this stalling problem first surface? Was it before or after the ficm replace? And how does the stalling occur, like coming to a stop or driving at steady speed? Main battery power and ground connections would be the first items to check. I agree with lilpooh, could be a tough nut to crack. But purchasing a simple and fairly inexpensive device like a ScanGauge-2 could be a very useful tool in helping determine the right direction for a resolution. I think the stickies section at the top of the 6.0L forum has some wire chaffing info, have to look myself. Harry __________________ Jan 03' built 6.0/F250cc4wd trqsft/SCT-tuned by KEM-Performance/Garrett Powermax vg-turbo/blue spring mod/gauges=egt+boost+fuel+SG2/exhaust/airaid intake/DR 4.5 lift/dual bilsteins/315's/greasable ball joints/powerstop/smittybuilt/kc lights/high idle mod/roll-n-lock/T5-Rotella 10w30 with (Archoil AR9100 in the oil) and (AR6200 in the fuel)http://www.archoilspokane.com/

05-16-2012, 01:52 AM	#5
harry6.0 Senior Member Join Date: Dec 2008 Location: Spokane WA. area Posts: 2,256 Points: 48,687 Thanks: 753 Thanked 565 Times in 446 Posts	Here is the wire chaffing info, if you can't open it here, then go to the stickies section. http://www.thedieselgarage.com/forum...6&d=1201892575 Harry __________________ Jan 03' built 6.0/F250cc4wd trqsft/SCT-tuned by KEM-Performance/Garrett Powermax vg-turbo/blue spring mod/gauges=egt+boost+fuel+SG2/exhaust/airaid intake/DR 4.5 lift/dual bilsteins/315's/greasable ball joints/powerstop/smittybuilt/kc lights/high idle mod/roll-n-lock/T5-Rotella 10w30 with (Archoil AR9100 in the oil) and (AR6200 in the fuel)http://www.archoilspokane.com/

05-17-2012, 02:21 AM	#7
harry6.0 Senior Member Join Date: Dec 2008 Location: Spokane WA. area Posts: 2,256 Points: 48,687 Thanks: 753 Thanked 565 Times in 446 Posts	Another thought is the ignition switch or steering column harness to the ignition switch. Harry __________________ Jan 03' built 6.0/F250cc4wd trqsft/SCT-tuned by KEM-Performance/Garrett Powermax vg-turbo/blue spring mod/gauges=egt+boost+fuel+SG2/exhaust/airaid intake/DR 4.5 lift/dual bilsteins/315's/greasable ball joints/powerstop/smittybuilt/kc lights/high idle mod/roll-n-lock/T5-Rotella 10w30 with (Archoil AR9100 in the oil) and (AR6200 in the fuel)http://www.archoilspokane.com/

05-15-2012, 11:45 PM	#3
MT Pockets Junior Member Threadstarter Join Date: Oct 2011 Location: Central Florida Posts: 105 Points: 10,209 Thanks: 69 Thanked 24 Times in 22 Posts	I've done the "wiggle test" on every harness and clip I can reach. No way to read live data or fuel psi. I know I need gauges to properly monitor critical components on a 6.0,but I've yet to get them. Everything was in check while hooked to the dealers computer (or so they say).

05-16-2012, 04:15 PM	#6
MT Pockets Junior Member Threadstarter Join Date: Oct 2011 Location: Central Florida Posts: 105 Points: 10,209 Thanks: 69 Thanked 24 Times in 22 Posts	The stalling was occuring before the FICM replacement. Dealer told me it would fix the problem. It stalls at random ( completely stopped, accelerating, decelerating, steady speeds,etc.). I will read up on the chafing info and recheck batteries and alt. Thanks

05-17-2012, 02:16 PM	#8
lenzhotrod Junior Member Join Date: Dec 2010 Posts: 586 Points: 21,695 Thanks: 32 Thanked 74 Times in 64 Posts	Since there are no codes, like Harry I would suspect key switch or a fuel problem. Anything else should pop a code. You could have a bad fuel pump, you could have a bad fuel connection, you could have a bad fuel pump relay, you could have a plugged fuel filter, you could have......... . Test, verify, repair. Does any one know if a code will set if the FICM were to lose power?

05-17-2012, 04:48 PM	#9
MT Pockets Junior Member Threadstarter Join Date: Oct 2011 Location: Central Florida Posts: 105 Points: 10,209 Thanks: 69 Thanked 24 Times in 22 Posts	Fuel filters were just replaced. It shuts off like you turn the ignition off, no sputtering or bucking. I'm looking into a scanguage and Fuel psi guage to help try and eliminate some possibilities. Thank for the suggestions. I'll report back as I go through the investigation.

05-18-2012, 05:04 AM	#10
bismic Member Join Date: Dec 2008 Posts: 953 Points: 27,671 Thanks: 116 Thanked 199 Times in 154 Posts	Any bubbles in the fuel when watching the fuel in the secondary fuel filter bowl (cap off)? __________________ Mark 06 F250 CC SB FX4 Lariat;ARP studs;OEM gaskets;Banks exhaust;DynaTrac Ball joints;Coolant filter;High-Idle mod;RACCCV6000;JimmiJammers;Ravelco;SynchroMax xfer case;Fumoto valve;Harpooned;CPOhighwayProducts toolbox;tracrac;Fox Weatherboots;Wet Okole Seat Covers;BriteBox;Re-flashed;Quadzilla Recon XZT Fuel Press;Blue FPR spring;DashDAQ;PHP FICM;RiffRaff boots;DCPower250A;PowerInverter;Rancho7000's;BPD EGR cooler;One-piece HPOP fitting;D-plugs&standpipes;BPD BilletWaterPump;SCT w/ Matts SRL+;ELC Ultra;DuraTracs

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