Crank won't start
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Mountain Pass
Joined: Sep 2006
Posts: 105
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Crank won't start
My Nephew has a 6.0 that died on the way to work. He says it will crank but not start. He took it to a mechanic and was told they check the FICM, glow plugs and wires the computer and replaced the fuel pump.
The only codes it threw was a fault on all 8 cylinders.
The only codes it threw was a fault on all 8 cylinders.
Fleet Owner
Joined: Nov 2003
Posts: 27,893
Likes: 3,611
I have only seen one forum case of where all 8 injectors were bad at the same time, and that was because the place that sold him 8 re-manufactured injectors had a bad re-build on a batch of injectors they had done. They made good on it though.
Anyway, that probably isn't your issue, but who knows for sure.
Tell us a bit more about the issue.
Were the codes contribution codes or circuit codes?
How many miles (and years) are on the injectors?
What "wires" were replaced by the shop?
Have you done a check for air in the fuel (check for air when filling an empty secondary fuel filter housing)?
Do you know how to do a cranking bubble test?
Do you or your nephew have a scan tool and or an electronic gauge system?
Does the truck have a fuel pressure sensor and gauge?
I guess for now it can be assumed that the FICM is not the issue since the shop checked it (but I wonder how they really did check it).
Anyway, that probably isn't your issue, but who knows for sure.
Tell us a bit more about the issue.
Were the codes contribution codes or circuit codes?
How many miles (and years) are on the injectors?
What "wires" were replaced by the shop?
Have you done a check for air in the fuel (check for air when filling an empty secondary fuel filter housing)?
Do you know how to do a cranking bubble test?
Do you or your nephew have a scan tool and or an electronic gauge system?
Does the truck have a fuel pressure sensor and gauge?
I guess for now it can be assumed that the FICM is not the issue since the shop checked it (but I wonder how they really did check it).
Token Redneck
Joined: Jun 2007
Posts: 9,335
Likes: 344
From: Breckenridge, TX
Replacing the fuel pump pretty much means the shop isn't qualified for this kind of work and he should take it somewhere else. A 6.0 will start and idle on 10psi or less of fuel pressure (bad for the engine, but it does it). Instant 6.0 death is almost never fuel or FICM.
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