Compression Ignition Addict
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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)
A FICM (Fuel Injection Control Module) issue
An issue with your high-pressure oil pressure.
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.
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Last edited by bismic; 10-19-2019 at 08:00 AM.