Troubleshooting electrical problems that are preventing your car from starting
1. Check the battery
*Measure the battery voltage with a voltmeter. It should be above 12.6 V.
*If the voltage is lower, recharge or replace the battery.
* Clean the battery terminals from corrosion.
2. Checking the starter
* Make sure the starter connecting cables are clean and securely fastened.
* Check if there is power to the starter using a voltage tester.
* Tap the starter with a hammer to try to free any stuck components.
3. Ignition check
* Check the spark plugs for spark.
* Check the ignition coil using an ohmmeter.
* Make sure the distributor cap and slider are in good condition.
4. Fuel injection system
* Make sure the fuel pump is working.
* Check the crankshaft position sensor and camshaft position sensor.
* Inspect the fuel filter for blockages.
5. Other electrical components
* Check fuses and relays for blown or damaged ones.
* Check electrical wiring for wear or damage.
* Make sure the ignition switch is working properly.
6. Professional diagnostics
*If troubleshooting on your own doesn’t work, take it to a professional mechanic.
* They have diagnostic equipment to pinpoint the cause of the problem.
Adviсe
*When connecting to the battery, be careful and use appropriate safety equipment.
*If you are unsure of your ability to fix the problem, seek help from a mechanic.
* Regular vehicle maintenance will help prevent electrical problems in the future.