2010 F350 running inconsistantly - Tuned - Ford Powerstroke Diesel Forum
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Old 07-22-2013, 10:08 AM
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2010 F350 running inconsistantly - Tuned

Hi all
Need some help on this one. Its kinda got me stumped.
2010 F350. 62,000 Km. Spartan tuned. Stock tires. The truck is in immaculate condition.

I pull a 38' toyhauler. Weighs about 17,000# loaded.

Usually, the truck pulls great. Although, I am not totally happy with the 3.55 gears(wouldnt reccomend them to anyone pulling heavy).

What I am noticing is the truck will pull great for 30- 90 min and then it turns into a total dog!

When it is running good, it will pull my trlr up certain grades in high gear and makes 41-43lbs boost in the 210 tow performance. The EGT's dont exceed 1200-1250.

When it starts $hiting the bed it will only make 35- 38lbs of boost and will sometimes have to unlock the converter to make the same hill. The EGT's also go up to 1400. It has a tough time pulling the trailer across the flats in high gear!! It sounds like it is running good but just wont pull. This thing is also a pig on fuel when i am pulling compared to my 08.

I have tried the 210 early lock up, 210 late lock, and both 210 tow performance. I dont think it has anything to do with the tuning.

I have scanned for codes and nothing came up.

Any ideas?
thanks
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Old 07-22-2013, 11:00 AM
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First thing I would do is take off and clean the map sensor and ebp sensor and tube. Could be that your ebp sensor tube is clogged.
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Old 07-22-2013, 04:13 PM
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Quote:
Originally Posted by 04hdfatboy View Post
First thing I would do is take off and clean the map sensor and ebp sensor and tube. Could be that your ebp sensor tube is clogged.
Sorry man... what is the map sensor and ebp sensor.
I belive the map sensor is the one in the intake, right?
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Old 07-22-2013, 04:35 PM
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EBP is your exhaust back pressure sensor. When the sensor or tube gets clogged with suit it causes erratic behavior
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Old 07-22-2013, 04:42 PM
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Quote:
Originally Posted by makaveli200369 View Post
EBP is your exhaust back pressure sensor. When the sensor or tube gets clogged with suit it causes erratic behavior
Where is it?
thanks
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Old 07-22-2013, 05:34 PM
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Quote:
Originally Posted by Redram99 View Post
Where is it?
thanks
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Old 07-24-2013, 09:12 AM
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Quote:
Originally Posted by makaveli200369 View Post
EBP is your exhaust back pressure sensor. When the sensor or tube gets clogged with suit it causes erratic behavior
I forgot to mention... the little air compressor that the EBP sensor is near seems to be cycling a whole lot lately. I will report my findings.

Thanks for the help!
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Old 07-24-2013, 09:36 AM
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Are you talking about the vacuum pump that is mounted on top of the fuse box?
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Old 07-24-2013, 10:04 AM
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Quote:
Originally Posted by 04hdfatboy View Post
Are you talking about the vacuum pump that is mounted on top of the fuse box?
Yes, i think so. It is beside and below the master cylendar.

It is running about 70% of the time for some reason....
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Old 07-24-2013, 10:18 AM
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Yea that's the vacuum pump. You must have a vacuum leak somewhere.
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