No start Battery Voltages - Diesel Forum - TheDieselStop.com
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6.0L Power Stroke Engine and Drivetrain Discussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

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Old 11-29-2012, 12:57 AM   #1 (permalink)
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No start Battery Voltages

Well I've been chasing my cranking no start issue since Saturday. I had Ed repair the FICM the week before and all ran well from Wednesday until Saturday. It was washed and would not start and is still siiting in the driveway. I replaced the cam position sensor on Monday morning thinking that was my problem but still not starting.

If you remember from my previous post over the last few weeks, I have been working on R&R the egr cooler oil cooler. etc.... and had the batteries out of the truck. The batteries are Bosch 1000/850 amp 96 month batteries. They are now 49 months old. I charged them once or twice while out of the truck. They were load tested individually out of the truck 2 weeks ago at AZ and were said to be OK but needed a litle charge.

Now to tonight; I picked up another loan-a-scanner from AZ as the last one was not working. This time I got a P2285 code which is a ICP sensor code. This was from my unplugging the sensor to see if that made a difference to make it start. Still only cranking no starting. I've checked the voltage on my FICM and it shows 48-50 KOEO and 48-49 cranking. The wiring harness to the FICM is intact and tight to the FICM.

I cleared the P2285 code with the scan tool then tried cranking the engine. No code reappeared so i believe the code was from when I had unplugged the sensor earlier. There was no oil residue on the ICP sensor harness when I unplugged it earlier.

Upon reviewing the data on the scan tool, I noticed that the VPWR voltage when cranking the enginge dropped to about 8 volts and at best was only showing about 11.3-11.9 volts when not cranking and not trying to crank for a while. The scan tool is registering engine RPMS at about 250 when cranking. The batteries were fully charged this afternoon but after about 6 attempts at cranking the engine for about 10 seconds or less each time, the batteries will not sustain a crank over about 3 secs and the lights flicker off and the scantool goes blank on the screen.

I believe that the individual battery load test at AZ lied to me and the batteries are actually failing under load as evidenced by the low voltage during cranking.

What do you guys think?
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2004 F250 Crew Cab King Ranch Lariat FX4 Saddle Leather 6.0 L FUMOTO Valve

AIRAID 4" straight No CAT No MUFF
Nitto Terra Grapplers All Terrain LT285/75R16 10 PR Everything else pretty much stock
NEW Ranchos installed 8/15/2010



WORK IN PROGRESS - R&R EGR COOLER, OIL COOLER, THERMOSTAT, TURBO BOLTS, GASKETS, ORINGS, and adding a COOLANT FILTER WITH NEW COOLANT AND FLUSH
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Old 11-29-2012, 01:08 AM   #2 (permalink)
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Sounds like it is time to check out that warranty on the batteries
2 stroker
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Sinister Fuel Pressure Adapter
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Old 11-30-2012, 12:46 AM   #3 (permalink)
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Bosch will not warranty the batteries and the man I bought the truck from was the one who bought the batteries and the warranty was only good for him. It did not transfer to me. I just got back in from work tonight and have the batteries on charge. I am going to clean all the cables and post once again to see if I am having connection problems.

Checked on batteries tody and found these prices:

Motorcraft 850/1000 Maxx 36/100 month $120
Autocraft Orielly's 850/1000 36/84 month $100
Autozone 850/1000 36/84 $132

What would you say about these batteries?
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2004 F250 Crew Cab King Ranch Lariat FX4 Saddle Leather 6.0 L FUMOTO Valve

AIRAID 4" straight No CAT No MUFF
Nitto Terra Grapplers All Terrain LT285/75R16 10 PR Everything else pretty much stock
NEW Ranchos installed 8/15/2010



WORK IN PROGRESS - R&R EGR COOLER, OIL COOLER, THERMOSTAT, TURBO BOLTS, GASKETS, ORINGS, and adding a COOLANT FILTER WITH NEW COOLANT AND FLUSH
Anyone Got Birds? Will Travel to Hunt!



We are all just Village Idiots,
Enamoured with our own shadow,
Oblivious to the setting sun!

Last edited by Iam4MSU; 11-30-2012 at 12:52 AM.
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Old 11-30-2012, 12:58 AM   #4 (permalink)
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I installed the Motorcraft 850 last year so far so good. Batteries in these trucks will last about 4-5 years max not like the old days when you could get 10 years out of them. Need to do something so you don't kill the FICM.
2 stroker
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06 F350 4x4 PSD Lariat FX4 CC LB
Edge Insight CTS with Expandable pyro
AutoMeter Fuel Pressure Gauge 0-100
Sinister Fuel Pressure Adapter
Updated Fuel Reg. Kit 3C3Z-9T517-AG
WOT 58lbs Idle 62-64lbs Just Right
HFCM Water Separator Drain Plug Upgrade
Ford Cetane boost every fillup
Amsoil By-Pass(Amsoil 5w40)
Fumoto Oil Drain Valve
Dieselsite Coolant Filtration System
Dieselsite Boots
Delo ELC Coolant
Tow Command
Upfitter Switches
Pulling a 14,000 lb Alpenlite 5er
Roll-N-Lock bed cover
97 F350 4x4 PSD CC LB (sold it)
1700 Super Chip
PacBrake&ATS converter lockup
3" dp-4" exhaust
TruCool 28,000 lb cooler
Tymar Intake
A pillar EGT,Boost,Trans
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Old 11-30-2012, 08:23 AM   #5 (permalink)
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ditch the 4 year old batteries, they may not be the root of your problems but it's a good place to start. My batteries are on the edge of going bad and they are less than 2 years old.
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(Sorry to see her go Sold 9/2012) 1992 F-250 Supercab longbed 4x4, NA, manual trans. 382,000 miles. new alternator, starter, batteries, beru glow plugs and new controller, new injectors and fuel lines, LUK solid mass flywheel(12"), Warn manual hubs, Completely new AC system(new comprssor, evaporator, dryer, condensor, all hoses r-134), new front rear wheel bearings, new 3" exhaust, new power steering pump, new IP, new vacuum pump x2
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Old 11-30-2012, 08:43 AM   #6 (permalink)
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As stated in the other thread - batteries at 8V - 8.5V will cause a no start. It isn't just all about rpm and FICM voltage.

Replace the batteries.
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Old 11-30-2012, 10:45 PM   #7 (permalink)
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Tried 2 new MC batteries today. No difference. My problem is no fuel pressure due to nicked black sleeve in the FPR when doing the blue spring update mod. Anyone got one of the little black sleeves that was in your blue spring mod kit that you didnt need in your mod?
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2004 F250 Crew Cab King Ranch Lariat FX4 Saddle Leather 6.0 L FUMOTO Valve

AIRAID 4" straight No CAT No MUFF
Nitto Terra Grapplers All Terrain LT285/75R16 10 PR Everything else pretty much stock
NEW Ranchos installed 8/15/2010



WORK IN PROGRESS - R&R EGR COOLER, OIL COOLER, THERMOSTAT, TURBO BOLTS, GASKETS, ORINGS, and adding a COOLANT FILTER WITH NEW COOLANT AND FLUSH
Anyone Got Birds? Will Travel to Hunt!



We are all just Village Idiots,
Enamoured with our own shadow,
Oblivious to the setting sun!
Iam4MSU is offline   Reply With Quote Quick reply to this message
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