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Intermittent starter motor function

Symptom: The starter motor is not working.

Intermittent starter motor function



Fault symptoms

The starter motor is not working.

Check

Check that:


the battery cables are tightened firmly to the terminals and that they have not oxidized;

the battery connections to the car are tight and that there is no oxide or corrosion causing poor contact;

the starter motor connections are tight and that there is no oxide or corrosion causing poor contact.


Diagnostic procedure

Remove the starter motor connections. Clean all contact surfaces and refit the connections.