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Old 02-10-2014, 08:52 AM
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6.4 high boost and lower power

Hi guys. I'm new to the site and I think I have a problem with my truck. I have a 2010 f250 6.4. H&S Mini Max, AFE intake, MRBP 4" exhaust, dpf delete and egr blocked off. Driving down the road and the truck seemed to start boosting more then normal. I have a mild tune installed. Seems like it is generating a lot more boost than it used to and not a lot of power. Truck did not throw any codes truck still drives fine and starts fine. When I have had it on the performance tune which is supposed to be a 250 tune it used to have a lot of power but now seems to be lacking some power. Seems to be boosting between 25 and 35 which I know can be normal but never boosted that high before. Any ideas would be helpful before I bring it into the dealership. Thanks
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Old 02-10-2014, 03:30 PM
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Take off the EBP sensor and tube and clean them. I bet the tube is plugged.
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Old 02-10-2014, 05:44 PM
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I will give it a try and see if that fixes the problem. Thanks I appreciate the advice.
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Old 02-11-2014, 07:55 AM
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No problem man. It should fix the problem. Keep us posted
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Old 02-11-2014, 08:12 AM
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Where is the EBP sensor and tube? Might take a look at mine. Thanks
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Old 02-11-2014, 11:05 AM
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Here you go!
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6.4 high boost and lower power-100media-imag0102.jpg   6.4 high boost and lower power-6.4-up-pipes.jpg  
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Old 02-12-2014, 09:40 AM
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I replaced the EBP sensor and tube. It seemed to help and the truck is performing better but it stills seems like there is an issue somewhere. Truck just doesn't have the power it had previously running H&S mild tune. Any ideas? Thanks
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Old 09-12-2014, 05:46 AM
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Madison figure out the problem?

I have a truck in my shop that is having the same problem as yours, did you figure it out? This truck is a dealer trade in running off road diesel, we pulled the tank and cleaned was not that bad really, new frame mounted pump we only had 2psi, new filters, the ebp sensor, tube, and fitting where clogged. but the symptoms still there. This truck will make 35psi boost and feels like banana in tail pipe no power. No codes. Its tuned with DPF deleted and CAI. When I look at desired and actual high pressure fueling actual high pressure fuel is 25% of where it needs to be but I have no codes for high or low pressure fuel.. still scratching my head
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Old 10-27-2014, 03:50 PM
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Has anyone figured out what caused these symptoms? I'm also having same issues and excessive black smoke at full throttle then usual. Boost fueling is set at 0 and it looks like I have it set at 5 now on H&S Tuner
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Old 10-27-2014, 09:24 PM
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Cleaned your afe lately? Make sure map sensor isn't plugged. Check condition of charged air boots
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