6.4 fuel in oil? - Ford Powerstroke Diesel Forum
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post #1 of 13 Old 12-09-2012, 05:40 PM Thread Starter
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6.4 fuel in oil?

How common is this problem in the 6.4? Read about it in diesel power magazine and there happens to be a 6.4 reasonable priced in my area but oil dilution is very worry some for me. Is the specific to particular year or build date? Is there anyway to fix or prevent this from happening? Lots of questions which makes me rethink even buying one but wanted to hear some feed back from you guys.

1999 Ford F350 Crew Cab Dually 4WD 7.3 Powerstroke

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post #2 of 13 Old 12-09-2012, 05:48 PM
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Yes its common, its caused by the DPF, at the end of the combustion cycle fuel is injected (which isn't burnt in the cylinder, for the most part, as it is meant to burn when it reaches the DPF). That's why its important to change oil as directed when running then stock. The best way to cure or prevent this issue is to do a DPF delete and install aftermarket tuning. Its a trait of all truck that are equipped with a DPF, not just ford.

2008 (Job 1) F250 King ranch 4x4, snow plow prep package with 2.5 level. Black Maxx, B&W Diehard platinums. Dieselsite coolant and transmission filters, NCU Motorsports/amsoil oil bypass kit. Turbo blankets, 5.5 PMF traction
Please collect and message me Shell, Rotella oil cap codes aka "my miles matter" I'm trying to save up for a hat or something.
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post #3 of 13 Old 12-09-2012, 05:55 PM
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When my 6.4 was stock at 4k miles my oil was 5% diesel fuel.


Keith
2014 F250 Platinum FX4
AFE Intake
Sct x4
4" Dual Exhaust no muffler with 5" MBRP tips
4" BDS with Fox shocks
20x9 Gear Alloy Big blocks 0 offset
35" Toyo AT2's
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post #4 of 13 Old 12-09-2012, 06:56 PM Thread Starter
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So if you delete the dpf you no longer fire fuel during the combustion cycle correct?

1999 Ford F350 Crew Cab Dually 4WD 7.3 Powerstroke
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post #5 of 13 Old 12-09-2012, 07:17 PM
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Yes there will be no more post combustion injections of fuel after you delete and tune.

On a side note before I deleted, my last oil change (with 5500 miles on it) had 2.5% fuel, my first oil change immediately after I deleted (with 10K miles on it) had 0.5% fuel.

2008 (Job 1) F250 King ranch 4x4, snow plow prep package with 2.5 level. Black Maxx, B&W Diehard platinums. Dieselsite coolant and transmission filters, NCU Motorsports/amsoil oil bypass kit. Turbo blankets, 5.5 PMF traction
Please collect and message me Shell, Rotella oil cap codes aka "my miles matter" I'm trying to save up for a hat or something.
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post #6 of 13 Old 12-10-2012, 03:16 AM
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My first oil change after delete also had no fuel in it.


Keith
2014 F250 Platinum FX4
AFE Intake
Sct x4
4" Dual Exhaust no muffler with 5" MBRP tips
4" BDS with Fox shocks
20x9 Gear Alloy Big blocks 0 offset
35" Toyo AT2's
Procomp Pro runner dual stabilizers
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post #7 of 13 Old 12-10-2012, 08:23 AM
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Same here. As soon as the DPF fell on no more fuel in the oil

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #8 of 13 Old 12-10-2012, 08:48 AM
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Dang yours fell off too?


Keith
2014 F250 Platinum FX4
AFE Intake
Sct x4
4" Dual Exhaust no muffler with 5" MBRP tips
4" BDS with Fox shocks
20x9 Gear Alloy Big blocks 0 offset
35" Toyo AT2's
Procomp Pro runner dual stabilizers
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post #9 of 13 Old 12-10-2012, 08:49 AM
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Quote:
Originally Posted by strokinpower View Post
Dang yours fell off too?
Ya not sure what happened lol

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #10 of 13 Old 12-10-2012, 08:51 AM
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I know mine when mine fell off it was crazy because at the same time $1500 fell out of my bank account lol


Keith
2014 F250 Platinum FX4
AFE Intake
Sct x4
4" Dual Exhaust no muffler with 5" MBRP tips
4" BDS with Fox shocks
20x9 Gear Alloy Big blocks 0 offset
35" Toyo AT2's
Procomp Pro runner dual stabilizers
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