[artbi]

Co jakiś czas załącza się EPC w moim Audi 3 v8. Po podłączeniu do komputera mam błąd P02990.
Przebieg 40 tys km
Gdzie szukać problemu ? Co może być przyczyna
Dziękuje za rady

[Miro]

mam błąd P02990.

a nie czasem bez 0 na koncu ? a bardzij zrozumialy numer bledu z VCDS to

16683/P0299/000665

Contents

Hidden Content Hidden Content Hidden Content Hidden Content Hidden Content Hidden Content Hidden Content

16683/P0299/000665 - Boost Pressure Regulation: Control Range Not Reached

Possible Symptoms

• Reduced Power Output
• Limp Mode

Possible Causes

• Hoses/Pipes incorrect connected, disconnected or leaking
• Charger Pressure Control defective
• Turbocharger faulty
• Diverter Valve faulty

Possible Solutions

• Check Hoses/Pipes to/between Components
• Check / Clean / Replace Charge Pressure Control
• Check Turbocharger
• Check Diverter Valve

Special Notes

• If the Turbocharger is faulty due to mechanical / internal problems or the exhaust system is restricted (typically the Catalyst) this fault may be the end result.

Gasoline

• When found in Hidden Content :
  
  • Check Boost Pressure Control Valve (N249), for cracked rubber diaphragm. A new/optimized Valve is available under Part # 06H-145-710-D (or newer).
    
    • RoW vehicles see: TPI 2016331 for details.
    • NAR vehicles see: TSB 01-07-70 or 2013392 for details.
    
    
  • When stored in conjunction with misfire codes and/or fuel trim faults see the notes associated with the following faults regarding PCV failure: Hidden Content , Hidden Content , Hidden Content , Hidden Content and/or Hidden Content .