Weird engine start 6.0
Postmaster
Joined: Jan 2008
Posts: 3,174
Likes: 10
From: Kansas City MO
Little update...
I replaced the HFCM with a new one from rockauto. What a mess!!! Still the same. All the values I checked with the Scan gauge seemed to be like they should. I think it's an injector. When I accelerate when engine is cold, I have misfires. Like one cylinder wouldn't fire proberly. I start hating that truck!!
I replaced the HFCM with a new one from rockauto. What a mess!!! Still the same. All the values I checked with the Scan gauge seemed to be like they should. I think it's an injector. When I accelerate when engine is cold, I have misfires. Like one cylinder wouldn't fire proberly. I start hating that truck!!
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Junior User
Joined: May 2013
Posts: 68
Likes: 0
From: Alamogordo, NM
I replaced the HFCM Unit.
But If it were the glow plugs, why would it take 10 Minutes to make the truck run ok? Even with a broken glow plug, it should run normally after 1-2 minutes.
Not sure what could be the problem with the ficm. I monitor the voltage, which is always 48-48.5V.
Could that still be the problem? That would be crazy, cause the truck runs just perfect, once warmed up.
But If it were the glow plugs, why would it take 10 Minutes to make the truck run ok? Even with a broken glow plug, it should run normally after 1-2 minutes.
Not sure what could be the problem with the ficm. I monitor the voltage, which is always 48-48.5V.
Could that still be the problem? That would be crazy, cause the truck runs just perfect, once warmed up.
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Junior User
Joined: May 2013
Posts: 68
Likes: 0
From: Alamogordo, NM
How can I find out which injector is the problem?
Fleet Mechanic
Joined: Jul 2013
Posts: 1,402
Likes: 114
From: Tuscaloosa, AL
Obviously a contribution balance test ONLY when cold would do it. Mine aren't bad enough yet and runs great within 2 minutes of running. Mine won't stick unless it sits for several days. Cranking after an overnight soak doesnt show any problems.
A buzz test might do it, but it must be after a long soak to cool down.
Archoil is supposed to be the latest miracle additive. I just got mine delivered, so I haven't tried it yet.
A buzz test might do it, but it must be after a long soak to cool down.
Archoil is supposed to be the latest miracle additive. I just got mine delivered, so I haven't tried it yet.
Fleet Mechanic
Joined: Jul 2013
Posts: 1,402
Likes: 114
From: Tuscaloosa, AL
Added the 6200 this morning. I put in 50 ml on a 25 gallon tank of fuel on top of my cetane additive. I thought it felt smoother within two minutes, abs I wasnt even trying to notice it .... But I did notice. However, I'm reserving judgement until after I run two tanks at double the recommended dosage.
I actually measured the decibles thus morning before adding the 6200. I'll measure it again after two tanks. My injectors are pretty loud.
I also have the 9100 oil additive that I will add at my next oil change. I want to change one thing at a tinge and see the diffeence. I think I'll stop the 6200 when I add the 9100 to the oil and run a few thousand that way before using the rest of the 6200. If I see a big difference, I'll keep running both.
I actually measured the decibles thus morning before adding the 6200. I'll measure it again after two tanks. My injectors are pretty loud.
I also have the 9100 oil additive that I will add at my next oil change. I want to change one thing at a tinge and see the diffeence. I think I'll stop the 6200 when I add the 9100 to the oil and run a few thousand that way before using the rest of the 6200. If I see a big difference, I'll keep running both.
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Lead Driver
Joined: Sep 2012
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From: Manteca,Ca
Thread Starter
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Junior User
Joined: May 2013
Posts: 68
Likes: 0
From: Alamogordo, NM
Yeah maybe I'll try that also. But I'll wait until winter, also.
Btw is there a possibility to check the turbo?
It's an aftermarket/ replacement turbo. Maybe that's the problem.
Btw is there a possibility to check the turbo?
It's an aftermarket/ replacement turbo. Maybe that's the problem.
Hotshot
Joined: Apr 2010
Posts: 19,061
Likes: 238
From: Saratoga Springs,UT
This is a F$%Ked up thread Are the Pics Big Enough Think we Could Blow them Up to Say a Coouple Mile Area Pic and Look at it Like we was Flying Over in a Plane LOL
I see its Broken
And if you Look Into the Pic that Show the Inside the Filter there a Big Looks Broken Piece there too
See That
Hotshot
Joined: Apr 2010
Posts: 19,061
Likes: 238
From: Saratoga Springs,UT
Its there in the First page that Washer was Hanging there
and It looks Gone in the second round Pics