6.Woes - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 04-13-2014, 02:03 PM Thread Starter
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Hi All,

Being a long time browser, I finally joined due to an urgent issue with a 2006 F250 with the 6.0 Powerstroke. my dad owns. Unfortunately, He's 2000 miles away from me in MN, and I can only help him over the phone.

A little history on the truck:

Truck currently has 165000 miles. Had typical injector stiction issues at around 125000 miles. Injectors 2, 4 and 7 were replaced with oem remans at 160000 miles a month ago by a Powerstroke shop, both fuel filters were also replaced with Ford oem filters, as well as the FICM updated with current software. Mobil 1 5-w40 oil is changed every 5000 miles

Truck ran started/beautifully afterwards, getting 19-20 hwy.

Truck was driven to MN from CA and ran great all the way there, as well as driving around MN for business about a week ago. I was with him at the time.

Here's what he told me what happened:

Yesterday, Truck was refueled at a CENEX fuel station in Marshall MN with a Biodiesel mix. Truck had a 1/4 tank when refilled.

After driving for approx. 20 miles, truck was parked at job, then started again to leave job. 30 miles later, truck starts missing on the hwy and has a severe lack of power. I tell him to check the fuel bowl on the frame mounted fuel pump, it's empty. Filter looked clean.

He cycles the key to get the pump working, and it refills the bowl. He told me the fuel doesn't smell like typical diesel and has a greenish tint. Uh oh...

Truck runs "okay" afterwards, but now has a white smoke while at idle. My first thought is a head gasket, so I tell him to smell the smoke, he notes it has a "gaslike" smell, and not the typical sweet smell of antifreeze.

So then It looks to me like incomplete combustion.

I tell him to see if he can make it back to the hotel in Glencoe about 60 mi away and to call me if any thing happens.

He calls me an hour later saying the truck is smoking bad (White smoke) and has a loss of power/running rough. He has AAA tow him to Glencoe with a plan to purge the tank and put diesel in from a Super America station that is known to have good fuel.

He did the flush this morning after the truck sat at the hotel all night. He goes to start the truck, and notices the starter struggling (pulsating). Finally the truck starts. However, now the truck has a knock on the driver side bank, and is blowing grey smoke. My dad states the smoke smells like diesel. He figures this is from the residual fuel, and drives the truck for 10 miles, no change.

He calls me again with this s*** news. I listen over the phone of him starting the engine as well as the idle.

To me, It sounds like an injector tip failed or seal went bad. I told him not to run it at all to avoid a hydrolock situation. Could the starter have enough force to bend a rod? Is that why it's now knocking?

What do you guys suggest we do to fix this? Does the knocking damage the engine?

All help really appreciated as he's stranded.

Thank you,
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post #2 of 4 Old 04-13-2014, 02:13 PM
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Im gotta wonder if the egr went south.

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post #3 of 4 Old 04-13-2014, 03:00 PM Thread Starter
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Originally Posted by kinnisoj View Post
Im gotta wonder if the egr went south.
The truck has a bullet proof EGR installed, and has never been overheated. No loss of coolant noted. New oil cooler was also installed at 120000 miles.
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post #4 of 4 Old 04-18-2014, 10:35 AM
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If you have a hydrolock situation, the starter won't generally bend a rod. Before that happens the truck will just appear to be locked up due to fluid in the cylinder. If a rod is bent, it happenerd while it was running.
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