Is it safe to drive my Suzuki Swift with frequent engine knocking o r pinging sounds?

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Is it safe to drive my Suzuki Swift with frequent engine knocking o r pinging sounds?

My Swift sometimes makes a knocking o r pinging sound from the engine, particularly when going uphill o r under load. This has been happening more frequently, and I’ve been using regular petrol from local fuel stations. I’ve heard this could be linked to low-quality fuel o r ignition timing issues. How dangerous is this for the engine, and what should I do to prevent long-term damage?

Gari Specialist asked on 02 May 2025 15:44:40 pm

1 Answer

27 views |

Gari Master - on 02 May 2025 15:46:34 pm

No, engine knocking also called pinging is not safe to ignore. It often indicates abnormal combustion inside the engine, which can cause long-term engine damage, reduce performance, and increase fuel consumption.

Common Causes in Pakistan:

Low-octane o r adulterated fuel, common at many local fuel stations.

Incorrect ignition timing, especially if the vehicle has been modified o r tuned improperly.

Carbon buildup in the combustion chamber due to poor fuel quality o r irregular maintenance.

Malfunctioning knock sensor o r EGR valve.

What to Do:

Switch to higher-octane fuel e.g., HOBC for a few refills to test improvement.

Use fuel system cleaners o r get a professional engine decarbonization service.

Check and correct ignition timing at a reliable workshop.

Get a diagnostic scan to check for faulty sensors.

Persistent knocking can lead to piston damage o r overheating, so act promptly.