Setting base idle speed - NA (MKI) & NB (MKII)

1 Warm up the engine to normal running temperature & switch off all electrical loads.

2 Link contacts TEN (Test ENgine) & and GND (GrouND) in diagnostic connector [use a paper clip].

3 Adjust idle to 850 rpm (exact position of idle air screw varies slightly depending on year/cc of engine).

4 Remove link.

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