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What causes an engine to make knocking sounds?

Updated: 8/16/2019
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16y ago

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Knocking as opposed to pinging or ticking, usually means seriously worn bearings of some sort. Time for an overhaul.

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16y ago
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Q: What causes an engine to make knocking sounds?
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Your car makes has begun to make knocking sounds and is slow to take off What could it be?

check oil level. go to engine shop.


Why does your engine make a knocking sound when you accelerate?

When you accelerate. you are putting presure on the main engine barrens. if they are going bad. You will hear this knocking sound. I don't know how many miles you have on this engine. But that's what it sounds like. But that's not all that can make this sound. You will have to tell more about it and when it started. Did it just start all at once? or did it start and then get louder?


Why does engine make knocking noise?

If it's knocking when accelerating, the engine could be starving for the correct octane fuel ... try the mid-grade or premium fuel and see if it still occurs. Could also be that the timing belt needs to be adjusted/replaced. If the knocking sounds like metal on metal, chances are you are in for a bigger bill for a possible engine rebuild. At any rate, have it checked out by a mechanic soon.


What causes a car Ford Taurus to make a knocking sound and feel at times as if it will shut off knocking is not constant?

SOUNDS LIKE THE ENGINE IS OVERHEATING, HOW OLD IS IT ??? ARE ANY OF THE DASH WARNING LIGHTS ON??? COULD ALSO BE THAT YOUR PLUGS NEED BADLY TO BE CHANGED , YOUR GETTING SPARK NOCK, DOES IT DO IT WORSE WHEN YOUR GOING UP HILL AND TRYING TO ACCILERATE??? WHAT YEAR AND WHAT MAKE??? ASK THE QUESTION AGAIN WITH MORE INFORMATION.


What causes a knocking sound in your car?

many many things, Loose lug nuts which lets wheel make knocking noise. Engine will make a knocking noise if it is really low on oil. Some timing belts make a knocking, slapping noise just before they break.These are just a few examples . Have someone ride in car with you as you duplcate the noise and see if they can determine which part of the vehicle it is coming from.


What oil type should you use to stop a motor knocking?

Engine oil does not cause a engine knock. It is caused by pre-ignition, which can have many causes, including the wrong grade of fuel octane. Make sure that you are choosing the correct fuel for your vehicle. You may want to take the vehicle to a mechanic, as engine knocking can seriously damage your engine.


Why does my skyline 1994 turbo car make knocking sounds under hood when car is turned on?

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Why would a 95 Chevy cavalier with a 2.4 engine make a knocking sound?

Engine rod? Engine bearing?


2001 mercury villager van yesterday the engine started t make knocking sounds and the engine light flickers on off What should i check first?

Motor oil level, and Motor oil Pressure**************************************If that looks OK, try www.vehix.com


What is meaning of chatter?

Chatter is a verb that means:to talk in a quick or casual wayto make clicking sounds by knocking together rapidlyto make fast and usually high-pitched sounds


What would cause a loud knocking noise coming from the engine at 70 mph and make the truck shake very badly?

Having a bad rod bearing could cause a truck to make a loud knocking noise and shake when driving at high speeds. The engine having a coolant leak or an engine timing problem could also cause the knocking noise.


Why would the engine of a 1997 Chevy Cavalier make a loud knocking noise even after being told that there is nothing wrong with it?

it's probably a rod knocking