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  #1  
Old 01-26-2012, 09:56 AM
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My truck is throwing a code

P2263 something about Turbo boost/supercharge performance system. What could it be for this code to come up? There is a loud hissing noise and it gets louder when I accelerate and quieter when it gets in the lower RPM's.
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  #2  
Old 01-26-2012, 10:00 AM
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Exhaust manifold leak, back pressure sensor, MAP sensor, or VGT actuator.
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Old 01-26-2012, 10:10 AM
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Those sensors being bad will make a loud hissing noise?
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Old 01-26-2012, 10:15 AM
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No. The EBP sensor being bad will change the exhaust note typically, but you won't hear a hiss. My guess is you have a pretty bad exhaust leak either from an exhaust manifold or an up-pipe.
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Old 01-26-2012, 10:22 AM
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Well by having a exhaust leak from those two parts, why would it throw a code like that?
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Old 01-26-2012, 10:43 AM
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Quote:
Originally Posted by jac97psd View Post
Well by having a exhaust leak from those two parts, why would it throw a code like that?
This should help you understand the code a little better...

P2263

Description: Indicates that boost pressure is not achieving the calibrated goal by more than a calibrated threshold.

Possible Causes:
• CAC system leaks
• Exhaust or intake air system leaks
• EP sensor biased
• Restriction in the EP sensor or tube
• Turbocharger vanes sticking
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  #7  
Old 01-26-2012, 11:26 AM
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Thanks man. I'm taking my truck to the ford place this afternoon. Hopefully it will be a quick fix.
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Old 01-26-2012, 11:46 AM
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Quote:
Originally Posted by jac97psd View Post
Thanks man. I'm taking my truck to the ford place this afternoon. Hopefully it will be a quick fix.
Let us know what it is
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Old 01-26-2012, 12:17 PM
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Yeah I will
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  #10  
Old 01-27-2012, 10:13 AM
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Well, the dealership found out what was causing the hissing noise and the code. Ill put more detail on what it exactly is when I get my truck and paper work cause he explained it to me but he talks really fast. But it's costing me 356 dollars cause it's not covered under the 200k mile 21 parts diesel care plan. But at least it will be fix and didn't cost me an arm and a leg.
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