P1247 code - Diesel Bombers

Ford Powerstroke 99-03 7.3L Discussion of 99-03 7.3 Liter Ford Powerstroke Turbo Diesels

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Old 01-18-2013, 09:42 PM
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Join Date: Jan 2013
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Default P1247 code

I have a 99 SD installed Superchips Flashpaq 1855, performance tune after a week checked codes got P1247 Turbo boost low. I then returned to stock drove for a week no code tuned performance again drove normal no codes and the first time I got into I get this code. What would cause this and any ideas what to check.
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Old 01-20-2013, 11:58 PM
Stroker815's Avatar
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Join Date: Dec 2012
Posts: 40

I had the same code pop up on mine. For me it ended up being the map sensor hose came off.
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