Engine fault diagnostics (Scorpio 2)

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When the engine does not start, a systematic approach is needed to identify the fault. In general, in order for a gasoline engine to start, 2 main prerequisites must always be met: the fuel-air mixture must enter the cylinders, and there must be a spark on the spark plugs. Therefore, first of all, it is always necessary to check whether fuel is supplied at all. How to act in this case is described in the sections "Carburetor" and "Petrol injection system".

Caution: On vehicles with a catalytic converter, do not keep the starter running for an unnecessarily long time, as this may cause the catalytic converter to fail.


Malfunction: The engine starts poorly or does not start at all.

Malfunction: The engine starts poorly or does not start at all.

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