Can’t Turn On Car Engine
Problem:
You turn the key in the ignition, but the car engine won’t turn over.
Possible Causes:
- Dead battery
- Faulty starter motor
- Bad ignition switch
- Fuel pump failure
- Clogged fuel filter
- Faulty spark plugs
- Worn timing belt
Troubleshooting:
1. Check the Battery
Use a voltmeter to check the battery voltage. It should be around 12.6 volts when the engine is off. If the voltage is low, the battery may be dead or weak. Try jump-starting the car or replacing the battery.
2. Check the Starter Motor
Listen for a clicking sound when you turn the key. If you hear a click, but the engine doesn’t turn over, the starter motor may be faulty. Try tapping the starter motor with a hammer or replacing it.
3. Check the Ignition Switch
Try jiggling the key in the ignition. If the engine turns over, the ignition switch may be faulty. Replace the ignition switch.
4. Check the Fuel Pump
Listen for a humming sound when you turn the key to the “on” position. If you don’t hear a humming sound, the fuel pump may be faulty. Replace the fuel pump.
5. Check the Fuel Filter
A clogged fuel filter can prevent fuel from reaching the engine. Replace the fuel filter.
6. Check the Spark Plugs
Worn spark plugs can prevent the engine from starting. Replace the spark plugs.
7. Check the Timing Belt
A worn timing belt can cause the engine to skip timing, which can prevent it from starting. Replace the timing belt.
Additional Tips:
- If you have a manual transmission, try starting the car in neutral.
- If you have a diesel engine, make sure the glow plugs are working.
- If you have tried all of the above and the car still won’t start, you may need to have it towed to a mechanic.