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Significance of 8 digit number block SIGNIFICANCE OF 8 DIGIT NUMBER BLOCK SPECIFICATION If the specification is obtained: z Briefly increase engine speed (RPM) (rev -up) and then allow engine to run at idle speed for 2 minutes. Checking idle speed z Continue running engine at idle speed. z Change to display group 56 as follows: z Press -C- button. 700 to 750 RPM (2) range - - - Significance, see CHECKING IDLE SPEED (1) Engine idling at normal operating temperature for manual transmission (2) Engine idling at normal operating temperature for automatic transmission Significance when display = 1 Significance
1 Engine Coolant Temperature (ECT) above 80 °C
1 Speed below 2000 RPM
1 Throttle valve closed
1 Oxygen sensor control OK.
1 Idling switch closed
1 Air conditioner compressor switched off 1 Three Way Catalytic Converter (TWC) temperature over 350 °C 1 No DTCs recognized by On Board Diagnostic (OBD) NOTE: z Idling speed cannot be adjusted. z Idling speed is tested during the basic setting of the engine. z In the "System in basic setting" function the EVAP canister purge WARNING: The electric coolant fan must not be running.
2003 Volkswagen New Beetle GLS 1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle
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