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Home >> Audi >> 2016 >> S4 Premium Plus, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (1.8L - Turbo Engine Mechanical, Engine Code(S): AMB) >> 21 - Turbocharger, G-Charger >> Charge air pressure system with turbocharger, checking >> Effects of leakage at intake and exhaust end >> Leakage downstream of Mass Air Flow sensor

Leakage downstream of Mass Air Flow sensor

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, and 2003 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Possible fault sources:

  1. Hose connection between mass air flow sensor and turbocharger
  2. Connection hose to crankcase breather
  3. Connection hose to mechanical air recirculation valve
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