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6.4L Power Stroke Diesel Engine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis SPONSORED BY:

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Old 01-03-2014, 08:32 AM
70runner 70runner is offline
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2008 6.4 Problem, Please, I Need help

I have a 2008 6.4, Sinister EGR delete, DPF Delete, SCT Tuner.
The problem is it Starts perfectly fine and Idles fine for a few minutes. Then it goes into a terrible miss. Scan tool says #2 misfire, and something to with Contribution ??. I Can shut it off and wait a few minutes it starts up fine again and does the same thing. If I start driving it before the misfire occurs it seems to run fine going down the road. And a couple of times it has just died out while at idle.

I took the EBP sensor and tube off and cleaned them, no change still does the same thing.

I unplugged the EBP sensor thinking the computer will default to an acceptable pressure, no change still does the same thing.

I'm thinking it might be a tuner problem, but??
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Old 01-03-2014, 09:05 AM
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a4t1rat a4t1rat is offline
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Sounds like an injector problem, Are there any codes? you could try to reload the tune be sure the tuner is updated with the most recent files. if not that I would get it checked out to see it its a injector or o ring you dont want it wash the cylinder or crack a piston if it is a injector hanging up.
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Old 01-03-2014, 06:11 PM
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injectors...should have codes, what are they?
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Old 01-04-2014, 07:43 PM
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X 3 sounds like an injector... did you ever notice any hesitation or miss at idle prior to this
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Old 01-04-2014, 10:05 PM
70runner 70runner is offline
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No, I never noticed a miss before. Yesterday using the SCT tuner I put it on the tow tune. I had it on a custom tune before when I had the problem. This seemed to correct the problem. I started it and let it run for a while and no problems. I haven't driven it yet and now its -25 so I am going to wait til it warms up a little. Thanks for all the replies. I'll post an update when I get back to it.
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Old 01-05-2014, 08:06 PM
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What do your fuel filters look like?
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Old 01-05-2014, 10:48 PM
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Originally Posted by brian1253 View Post
What do your fuel filters look like?
They look kind a like a Cylinder about 4 inchs long. Lol. Had jump on that one.
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Old 01-10-2014, 12:15 AM
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Originally Posted by 9228.bobcat View Post
They look kind a like a Cylinder about 4 inchs long. Lol. Had jump on that one.
Lol got me flat out walked into that one.
To the op did you resolve the issue?
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Old 01-10-2014, 12:15 AM
 
 
 
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