Engine knocking solution Corolla

Engine Knocking in Toyota Corolla E170 (2013-2019)

Engine knocking, often referred to as "pinging" or "detonation," is a common issue in vehicles and can lead to serious engine damage if not addressed. Below is a detailed, step-by-step guide to diagnose and resolve engine knocking in a Toyota Corolla E170.

Repair Instructions

1. Replace Faulty Components

   • Replace any faulty spark plugs, ignition coils, or knock sensors identified during diagnostics.

2. Adjust Engine Timing

   • Follow the vehicle’s service manual to adjust the timing to factory specifications if it was found to be incorrect.

3. Fuel System Treatment

   • Consider using a fuel system cleaner to remove carbon deposits from the combustion chamber which can cause knocking.

4. ECU Reprogramming

   • If all else fails, consult a professional technician to check if an ECU reprogramming or software update is required to correct the engine knocking issue.

Preventive Measures

• Regularly service the vehicle according to the manufacturer’s maintenance schedule.
• Use the recommended fuel octane and quality.
• Periodically check and clean the engine components such as spark plugs and fuel injectors.

By following these steps, you should be able to diagnose and resolve engine knocking in a Toyota Corolla E170. If the problem persists, it is advisable to consult a certified automotive technician for further inspection.