PO299 code
I know it is "turbo underboost" but what is the fix and should I be concerned.Truck has 79k 95% trailer towing about 18k gcvw.It has happened about three times while towing usually at a low rpm(truck has 373 gears)so my guess would be the engine is either"lugging" or the turbo is faltering.Thanks in advance.
Jim |
6.0's are notorious for failing turbos there is a very good chance if you have your turbo replaced the turbo the code and problem will go away
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sounds like the vains in the turbo could be sticking :( only way to fix that (if thats the case) would be to change the turbo.
also when it under boosts do you loose power and have excessive smoke (black) |
Replacement of the turbo is not necessary.
Take the turbo halves apart and clean the carbon and crap off the unison ring and CHRA. If they are pitted/rusted or the actuator hole is oblonged - CHRA and unison ring should be replaced. |
Just had mine replaced along with a larger drain tube .
she was blowing oil down the pipe resulting in "white smoke ":c: |
That larger drain tube is a big crock of shit.
I ordered a complete reman (Turbo to oil pan) 6.0, and it came with the small (old style) drain tube installed. I personally don't think it does squat, but I put 'em on if they've got the little tube and I'm workin on 'em. |
seriously , I got the turbo douched and swapped out the drain tube .....no more oil running down pipe and the white smoke dissapeared
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