2006 GMC Sierra Duramax with engine code P0299

Question

Injector went out, replaced, keeps blowing black smoke out a pipe and has no power code keeps coming on p0299 clear code and still no power, and run hot on temperature gauge?

Answer 1

P0299 Turbocharger engine underboost

You need to check the MAP sensor with the scantool to see if its parameter changes and follows the engine speed.

Answer 2

P0299 GMC - Turbocharge Engine Underboost

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