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2006 6.0 diesel, has engine miss at low rpm, smooth's out…

Customer Question
2006 6.0 diesel, has...

2006 6.0 diesel, has engine miss at low rpm, smooth's out once over 2k RPM. very bad when engine has not reached FULL operating temperature

Mechanic's Assistant: How old is the engine? And when was it last serviced?

Original 2006, last service was 3k miles ago.

Mechanic's Assistant: What is the model of your '06 Ford?

F250 XLT

Mechanic's Assistant: Are you fixing your F250 yourself? What have you tried so far?

Yes, all filters both fuel and oil changes every 3k miles. Lower fuel filter changed at that time as well. Have used REV-X oil treatment, and Fuel treatment

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

No codes other than for glow plugs on #5 and #7.

Submitted: 3 months ago.Category: Ford
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Answered in 6 minutes by:
3/26/2018
Ford Mechanic: Ironmike, Ford Technician replied 3 months ago
Ironmike
Ironmike, Ford Technician
Category: Ford
Satisfied Customers: 3,445
Experience: 30 years ASE Master tech L1 . Ford master
Verified

Greetings,

Do you have an advanced scanner to run some tests like cylinder contribution ? have any of the injectors been replaced ? how many miles?

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Ford Mechanic: Ironmike, Ford Technician replied 3 months ago

the glow plugs should be replaced, good idea to replace all at least on the same side. 1,3,5,7 are on passenger side. It is possible to have injectors leaking/failing and not set codes right away. Good to do the cylinder contribution when cold to catch the injectors.

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Ford Mechanic: Ironmike, Ford Technician replied 3 months ago

have you ever tried archoil?

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