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

Performance Problem ~ Need HELP

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Old 08-24-2013, 05:11 PM
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Performance Problem ~ Need HELP

My 2008 Ford F250 SD Diesel 6.4L problem.The truck runs great while it’s cold, but when it gets hot, code P0088 comes up, I re-set it, it runs good for a while, but the same code returns when it gets hot again. We changed the fuel filters, oil and EGR valve from the original 2 pipe system to a single coolant line and need to know how coolant lines should be hooked up. I have decided not to bypass the EGR system as some suggest. Any help will be greatly appreciated!
 
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Old 08-24-2013, 10:29 PM
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High pressure fuel pump.
See this recent post.
https://www.ford-trucks.com/forums/1262613-poo88.html
 
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