CODE P0299 AUDI A4 2007 SAY TURBO UNDER BOOST.....
Country: United StatesMake: AudiModel: A4 TYear: 2007Engine: TURBO
NOTHING YET - I JUST RECEIVED THE CHECK ENGINE AND THE CODE WAS P0299 - TURBO UNDER BOOST.???
Hello and welcome to Just answer.com, Super mechanic here. About your vehicle.
There has been a service bulletin for that type of concern. Here is what it states.
01 MIL on (P0299 - charge pressure control negative deviation)
21 08 05 XXXXXXX/X December 22, 2008. Supersedes Technical Service Bulletin Group 21 number 08-01 datedJanuary 28, 2008 for reasons listed below.
MIL on. DTC P0299 (Charge pressure control, negative deviation) is stored in the ECM data memory.
The condition may be the result of an abnormal Turbocharger Recirculation Valve N249.