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2311 Central Ave, Dubuque, IA 52001
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The knocking noise from your vehicle could be coming from the engine. You may
have low octane. If you put lower octane fuel in your vehicle and it requires
higher octane gasoline, you could be damaging your vehicle. Some vehicles have
an automatic sensor to detect engine knocks. The sensor detects if everything is
running smoothly in the ratio and injectors. If the sensors are faulty, it can lead to
an engine knocking sound. Car Spark Plugs, Worn Bearings, or Carbon Deposits
may also cause a Car Knocking Sound. Having Routine Maintenance checks on
your vehicle may lessen the problem.
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