*Standard unleaded RON 91 also permitted, however reduced power.
10 - ENGINE - ASSEMBLY
ENGINE, REMOVING AND INSTALLING
Engine, removing and installing
Injection/ignition system Bosch Motronic
Knock control yes
On Board Diagnostic yes
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 °
CAUTION: Before beginning repairs on the electrical system:
Obtain the anti-theft radio security code.
Switch the ignition off.
Disconnect the battery Ground (GND) strap.
On vehicles equipped with Audi Telematics by OnStar, switch-off the
emergency (back-up) battery for the Telematic/Telephone Control Module
prior to disconnecting vehicle battery --> 91 - COMMUNICATION
After reconnecting vehicle battery, re-code and check operation of anti-
theft radio. Also check operation of clock and power windows according
to Repair Article and/or Owners Manual.
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
1:00:55 AM Page 2
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