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Trouble Code P2263 need help please!!!

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Old 09-17-2009, 01:39 PM
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Exclamation Trouble Code P2263 need help please!!!

I have recently been throwing the T.C. P2263 the defination is Turbocharger/Supercharger Boost System Performance.

*error occurs when the difference between the guage exhaust pressure and the set point is less than the minimum threshold or greater than the maximum threshold for a predetermined period of time.

Can anyone help explain why I am getting this code or even better what I can do to fix whatever the problem is so I can stop getting this code. When this code comes on the computer cuts the H.P. back to half what it should be for the protection of the engine i guess.

Thanks for any help,

Les Hester
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Old 09-17-2009, 05:13 PM
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How many miles on it?

I imagine you're under warranty, so I'd take it to the dealer and let them figure it out.
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Old 09-27-2009, 11:30 AM
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Code P2263 refers to a turbo actuator problem or turbo bearing problem caused by possible low engine oil level. Below is the posted problem explaining the issue:

Lack of power, fluid leakage from tailpipe, abnormal tailpipe sediment, white smoke, exhaust smell, check engine light on:
The above conditions may be accompanied by elevated engine idle, surging, engine knocking or the crankcase may be over full. Fluid frome the tailpipe may be coolant, fuel or oil.
If diagnostic codes P0087, P2291, P0263-P0284, P0300-P0308, or P1336 are retrieved, or if there is evidence of an internal fuel leak (fuel in the exhaust, over-full oil), the fuel supply to the injectors and the injectors should be checked for leakage. If the oil is not over-full the turbo bearings should be checked.
If the codes are P132B, P2262 or P2263, or there is evidence oil oil leaks or the oil level is low, turbo actuator operation and turbo bearings should be checked.
If there is evidence of coolant leakage from the exhaust or the coolant level is low, the EGR coolers should be tested.
Additional codes may include P244C or P244D for the DPF. Perform diagnosis on the above codes and engine noises as needed. Care should be taken when running the engine due to the likelyhood of piston hydro-lock/engine damage. TSB #07-8-9
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