Slow or weak cranking
Clicking sound when turning the key
Intermittent starting
Grinding noise when starting
Starter stays engaged after the engine starts
Burning smell near the starter
Smoke from the starter area
Starter works only sometimes
Electrical power is present but the engine does not crank
Visible corrosion or damage on starter connections
Repeated need to tap the starter to get it working
Dashboard lights come on but the engine does not turn over