- Weak or dead battery: Check the battery voltage with a multimeter. If it's below 12.6 volts, the battery may be too weak to start the engine.
- Loose or corroded battery terminals: Inspect the battery terminals for looseness or corrosion. If they're loose, tighten them. If they're corroded, clean them with a wire brush and apply a corrosion inhibitor.
- Bad battery cables: Check the battery cables for damage or corrosion. If they're damaged, replace them.
- Bad starter: The starter may be damaged or worn out.
- Loose or corroded starter connections: Inspect the starter connections for looseness or corrosion. If they're loose, tighten them. If they're corroded, clean them with a wire brush.
- Bad solenoid: The solenoid is a small electrical switch that engages the starter. If it's bad, the starter won't engage.
- Bad ignition switch: The ignition switch is a key part of the starting system. If it's bad, the starter won't get the signal to engage.
- Bad neutral safety switch: The neutral safety switch prevents the engine from starting in gear. If it's bad, the starter won't engage.
- Low fuel level
- Faulty spark plugs
- Clogged fuel filter
- Bad fuel pump
If none of these are causes fix the problem or you can't diagnose the issue yourself, then take your vehicle to a qualified mechanic for diagnosis and repair.
