*Standard unleaded RON 91 also permitted, however reduced power.
Oxygen sensor control yes
Catalytic converter yes
Charging yes
Engine code AMB
Exhaust gas recirculation no
Intake manifold change-over function no
Camshaft timing control yes
Secondary air system yes
Valve timing
at 1 mm valve lift and 0 mm valve clearance
Intake opens after TDC 18 °
Intake closes after BDC 28 °
Exhaust opens before BDC 28 °
Exhaust closes before TDC 8 °
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
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