Engine Cranks But Won't Start - Clicking Sound
The starter motor is likely failing or the battery is too weak to crank the engine. The clicking sound indicates the solenoid is engaging but the starter cannot turn the engine over.
Diagnosis Details
Possible Causes
Weak or dead battery (low voltage, corroded terminals, or old age)
Faulty starter motor or solenoid (worn brushes, stuck plunger, or internal short)
Poor electrical connection (loose battery cables, corroded ground strap, or damaged wiring)
Engine mechanical issue (seized engine, hydrolock, or broken timing chain)
Related OBD-II Codes
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What You Should Do
Check battery voltage (should be 12.6V+).
Clean and tighten battery terminals and ground connections.
If voltage is low, jump-start or charge battery.
If clicking persists with good battery, test starter relay and starter motor.
If engine won't turn by hand, inspect for mechanical lockup.
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.
