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James, Ford Technician
Category: Ford
Satisfied Customers: 3630
Experience:  Ford Senior Master Tech, Ford gas and diesel expert, ASE Certified
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My 2011 f250 shows P0299 - Turbocharger/Supercharger A

Customer Question

my 2011 f250 shows P0299 - Turbocharger/Supercharger A Underboost Condition,
what can it be?
just replaced all leaking gaskets on turbo and intakes and all tubing and fitting, this code showed after all was assembled again.
Submitted: 1 year ago.
Category: Ford
Expert:  James replied 1 year ago.

Hello, has the turbo itself been replaced. The turbo on the early 6.7 is known to fail and can cause a low boost code?

Customer: replied 1 year ago.
No the turbo wasn't replaced.
I looked around the turbo, I saw exhaust soot on the real bottom manifold.
I smell exhaust when engine is running.
Customer: replied 1 year ago.
there is soot residues everywhere.
Customer: replied 1 year ago.
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Expert:  James replied 1 year ago.

The other item that happens is the vehicle exhaust manifold bolts and studs also break.nthey will need to be repaired to correct this leak.