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Why does my engine make pinging, or knocking noises during acceleration or under a load?

April 26, 2017acceleration engine knocking load noises pinging

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Why does my engine make pinging, or knocking noises during acceleration or under a load?

1 Answer

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You may need to use a better grade of fuel that contains a higher octane rating or higher antiknock value. The ignition timing may be too advanced causing excessive combustion chamber temperature or hotspots in the combustion chamber. See the technical section on spark plugs for more information.