05 6.0 long crank time when cold and stalls at higher speeds - Ford Powerstroke Diesel Forum
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post #1 of 37 Old 10-18-2019, 02:21 PM Thread Starter
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05 6.0 long crank time when cold and stalls at higher speeds

have an 05 f250 6.0 cant figure out whats wrong with it. in the mornings when I start it it has a long crank time seems to run fine though except when I get to higher speeds I feel my acceleration start surging then it will die. takes a few times to get it started back up. has 180,000 miles on it its been bulletproofed, has new turbo, oil cooler, degas bottle, map sensor, ckp sensor, camshaft sensor, and icp sensor. the shop that installed the oil cooler leak tested it and didn't find any leaks coming from hpop. recently started having an oil leak figured maybe its from when they put the new oil cooler or maybe its a separate issue. anybody have any ideas?
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post #2 of 37 Old 10-18-2019, 02:27 PM
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First off, do you have any codes?
When you say you recently had a leak, what kinda leak are you talking about?
The long hard start could be from an oil pressure issue.
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post #3 of 37 Old 10-18-2019, 02:32 PM Thread Starter
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only code it has is for an intake air temp sensor. when I park my truck after driving it you can see oil dripping down not sure where its coming from
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post #4 of 37 Old 10-18-2019, 02:34 PM Thread Starter
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I was thinking about replacing stand pipes dummy plugs and ipr valve but not sure if that's the problem but based on the research ive done its possible
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post #5 of 37 Old 10-18-2019, 03:54 PM
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You need a monitoring device to get engine parameters.

If you had all that work done and old dummy plugs and standpipes were left in, you need to post the name of that shop. It would be total incompetence.

Long cranks can result from MANY different issues. Don't just replace parts - get some data first.

What are you using to retrieve codes?

Mark
06 F250CC SB FX4 Lariat; ARP studs; OEM gaskets; Banks exhaust; DynaTrac Ball joints; RACCCV6000; JimmiJammers; Ravelco; SynchroMax in trans case; Fumoto valves; Harpooned; Blue regulator spring; DashDAQ; PHP FICM; RiffRaff boots; DCPower 270AXP; Power Inverter; Bilstein shocks; BPD EGR cooler, radiator, water pump; SCT w/ SRL+; Rotella ELC Ultra Coolant; X2Power AGM batteries
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post #6 of 37 Old 10-18-2019, 04:02 PM Thread Starter
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took it to oreillys and had them plug there code scanner to it. I don't have a scan gauge or a code scanner. it has a livewire tuner on it that monitors some things but it isn't telling me much everything on there looks good
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post #7 of 37 Old 10-18-2019, 04:27 PM
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Don't just hang it up there.

Every 6.0L owner needs a monitoring device, unless he/she is just going to take it to the shop.

For around $40 you can download ForScan Lite to a smartphone and get an ELM327 OBDII device and have a great scan tool and code reader. I like the BAFX adapters (WiFi for iOS and BlueTooth for Android).

Mark
06 F250CC SB FX4 Lariat; ARP studs; OEM gaskets; Banks exhaust; DynaTrac Ball joints; RACCCV6000; JimmiJammers; Ravelco; SynchroMax in trans case; Fumoto valves; Harpooned; Blue regulator spring; DashDAQ; PHP FICM; RiffRaff boots; DCPower 270AXP; Power Inverter; Bilstein shocks; BPD EGR cooler, radiator, water pump; SCT w/ SRL+; Rotella ELC Ultra Coolant; X2Power AGM batteries
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post #8 of 37 Old 10-19-2019, 05:11 AM Thread Starter
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thanks I ordered the bafx adapter should be here Wednesday. with this and the forscan lite app will I be able to diagnose the problem?
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post #9 of 37 Old 10-19-2019, 06:31 AM
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Quote:
Originally Posted by Ccross View Post
thanks I ordered the bafx adapter should be here Wednesday. with this and the forscan lite app will I be able to diagnose the problem?
Forscan is a tool, like a wrench or a screw driver -- you still have to put the work in -- it allows you to see what the computer sees, as far as parameters and codes

Very important for diagnosing and monitoring health in these trucks

In my defense, I was unsupervised
.
2006 F250 Lariat FX4 cclb
Torque Pro and OBDLink MX bluetooth monitor
General note:
For all those wanting a premium silicone sealer Kubota 70000-73764 is the best your gonna find. This is a hybrid gray silicone that uses solvent rather than acid to start the curing reaction, this makes it safe for aluminum and and any surface that involves coolant.
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post #10 of 37 Old 10-19-2019, 06:54 AM
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I think so (nothing is guaranteed with the 6.0L though, lol).

You need to read up on the threads on extended cranks in the meantime.

It can be:
A weak starter (or a binding air conditioner compressor that slows the crank)
Weak batteries
A FICM (Fuel Injection Control Module) issue
An issue with your high-pressure oil pressure.
Old oil
Thick oil (15W40 is more prone to stiction than 5W40 - especially in weather below 40 *F)
Fuel diluted oil
Injector stiction (weak or sticking spool valves)
Clogged air filter
Even intake or exhaust leaks

We will want to see cranking data (during the extended crank, before it starts):
FICM MPower (main power board voltage - should be around 48 volts)
FICMP LPower (logic board voltage)
FICM VPower (vehicle voltage as measured at the FICM)
ICP sensor pressure, psia
ICP sensor output voltage
IPR % duty cycle
cranking speed, rpm
v-reference voltage (5 volt reference circuit)

The external oil leak is most likely separate from the performance issues.

Mark
06 F250CC SB FX4 Lariat; ARP studs; OEM gaskets; Banks exhaust; DynaTrac Ball joints; RACCCV6000; JimmiJammers; Ravelco; SynchroMax in trans case; Fumoto valves; Harpooned; Blue regulator spring; DashDAQ; PHP FICM; RiffRaff boots; DCPower 270AXP; Power Inverter; Bilstein shocks; BPD EGR cooler, radiator, water pump; SCT w/ SRL+; Rotella ELC Ultra Coolant; X2Power AGM batteries
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Last edited by bismic; 10-19-2019 at 08:00 AM.
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