got the p245a cel no loss in power and comes on rarely right after driving a little but doesnt always come on any ideas thanks

 

Try this and see what happens. Remove and clean the EGR temperature sensor. The EGR temp sensor is located in the back side of the intake plenum, just below the EGR valve. Clean carbon from the sensor probe using brake cleaner or contact cleaner and a scotch-brite pad. If necessary, also remove the EGR valve and clean excessive carbon / soot from the valve and orifice in the intake plenum.

 

P245A, Turbo Boost Solenoid A Low

It is recommended that you use the Jake Brake a couple of times a week in tow/haul mode to prevent the soot build up on the waste gate slides. Apparently the electronic waste gate (as opposed to the vaccum waste gate of the 5.9) opens and closes through the full range of motion whenever the key is turned on and whenever the jake brake is activated.

This is supposed to clean any soot that has accumulated on the slides that the gate rides on and prevent them from sticking, which is what spikes the voltage to the computer and turns on the light.

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i copied and posted that from another site....so it showed up like that...highlite over it and u can see it...it messed with me for a minute