Installation work is not carried out with the Motronic ignition / injection system, since this system «self-learning». This means that the control unit corrects, if necessary, the idle speed. The following control values apply to the idle speed (test conditions: the engine is warm, all electrical consumers are switched off, and the ignition timing is set correctly):
Idling speed: 820-900 rpm.
The CO content in the exhaust gases cannot be measured before the catalytic converter. Therefore, cross-checking is only possible with a computer reader.
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