Can Incorrect Spark Plugs Cause Engine Problems?

September 20, 2026 by admin

Mechanic inspecting spark plugs in a car engine, showing how incorrect spark plugs can cause engine problems at Rapid Rev Garage in Dubai.

Yes, incorrect spark plugs can cause several engine problems. The wrong plug type, size, heat range or gap can affect how well the engine burns fuel. You may notice rough idling, poor acceleration, hard starting, higher fuel use or engine misfires. In some cases, the wrong spark plug can also cause damage if it does … Read more

Why Does My Engine Misfire?

August 22, 2026 by admin

An engine can misfire when one or more cylinders fail to burn the air-fuel mix correctly. This may cause shaking, weak acceleration, rough idling, poor fuel economy or a flashing check engine light. Common causes include worn spark plugs, bad ignition coils, dirty fuel injectors, vacuum leaks and sensor faults. In some cases, low compression … Read more