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

Two codes

Old Feb 20, 2018 | 12:25 PM
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81Bronk36
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Two codes

For those of you who have had the P0703 code(brake circuit B)... Is it constant or does it come on after a few minutes of driving then your cruise doesn't work?
i also have P2456 after about 5 minutes or so. Noticed a little bit of tapping like leak and definitely bad fuel mileage over the last 1000 miles. I also Have DPF delete and an edge programmer to shut off the regen. It is possible the code always pops up, this is my first time using the DTC option. Any ideas where to check or if it's normal w/no DPF?
 
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Old Feb 26, 2018 | 06:36 AM
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81Bronk36
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I cleaned the EBP tube, truck runs substantially better but I still get P2456 can anyone else with an edge race tuner and DPF delete say if that code is always there on theirs?
 
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