RPM and turbo problem! - Ford Powerstroke Diesel Forum

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post #1 of 2 Old 09-12-2013, 02:57 PM Thread Starter
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Exclamation RPM and turbo problem!

Hey guys new to the forum and I have a major problem and question. I have a 08 f350 king ranch with the 6.4 in it. I have a banks six gun tuner with the air intake and the tip. Heres my question. Recently when driving my truck ill be cruising along when all of a sudden my gas pedal seems to go limp. After that I can't get my turbo above 20psi and my rpms above 2500. I can barely hold the speed limit most of the time. The whole time I have thr pedal all the way to the floor. When I turn my truck off and restart it the problem seems to go way for a littlr while then it starts to do the same thing again. So my question is has anyone else had this happen? What do you think it could be? My first thought was it was the banks kit but I think it could have something to do with the exhaust. Any help is greatly appreciated guys! The check engine light goes on for a few days then is gone. When I run a diagnostics on the banks iq it says egr position sensor minimum stop performance egr valve, 2 unkown codes and a BOO brake switch b input circut short to ground open circut short to voltage switch
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post #2 of 2 Old 09-13-2013, 02:04 AM
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Quote:
Originally Posted by allhunter View Post
The check engine light goes on for a few days then is gone. When I run a diagnostics on the banks iq it says egr position sensor minimum stop performance egr valve, 2 unkown codes and a BOO brake switch b input circut short to ground open circut short to voltage switch
your truck is going into limp mode due to an egr issue. look into either getting the egr valve replaced or doing an egr delete
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