Not enough boost with new tuner - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 07-31-2013, 08:56 AM Thread Starter
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Not enough boost with new tuner

I have a 2008 f250 and it has a dpf and an egr delete on it as well as an afe intake and an sct livewire with innovative tunes. The question I have is where is the egr pressure sensor located on this truck? I cannot build over 30lbs of boost and my truck lags pretty bad when you stand on it as well as the unforgivable dyno numbers I just recorded. I put an egr delete on my buddies 6.0 and it still lagged in the same sort of scenario so I looked into it and we found the problem to be the exhaust pressure sensor, so I was wondering if it would possibly be the same sort of scenario on my 6.4 where I could clean it or replace and solve the problem. Thank you for taking the time to reply before hand.
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post #2 of 3 Old 07-31-2013, 03:16 PM
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It's on the drivers side of the engine, on a stainless tube connected to the pipe that feeds (or fed) the lower EGR cooler. Your tube may be clogged, or there may be gunk collecting in the pipe. It's probably unlikely that the sensor is bad, but it's possible. Pull the tube off and clean it and the sensor out, and see if it continues. It might also be worth pulling the block-off plate off and seeing if there's anything hanging around in the pipe that could be causing a problem.

If your EGR is gone, it's possible to remove the exhaust pipe that used to feed the cooler and relocate the sensor. You can also eliminate the stainless tube altogether if you're so inclined.
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post #3 of 3 Old 08-01-2013, 06:05 AM
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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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