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Monthly Archives: March 2021

What Does Engine Knocking Indicate?

What Does Engine Knocking Indicate?

What Does Engine Knocking Indicate? Engine knocking is always a warning sign of trouble for your engine. For some reason, your car's fuel is burning unevenly. This leaves lots of unburnt fuel in the cylinder. Knocking indicates that it's time for a systematic investigation of your engine's fuel systems. First, make sure you haven't filled your tank with low octane-rated gasoline recently. The wrong fuel octane for your vehicle can lead to erratic combustion and knocking. Next time, refuel with gas that has an octane rating at or higher than that recommended for your car. You can also add an octane booster to your tank to tide you over until you refuel. Carbon buildup on valves and spark plugs can cause trouble. This coating reduces the available volume inside the cylinder, increasing pressure. A fuel-injected cleaner or an additive can solve the problem. Check out your spark plugs. You may have bought the wrong spar ... read more

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