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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 else can I help you with?
Knocking in the bottom of the engine?
knocking noise
Can a bad harmonic balancer make a knocking noise?
A bad harmonic balancer can cause a knocking noise. The harmonic balancer doesn't actually produce the noise, but it can cause the noise in the engine.
There is a knocking noise in the motor of my 1992 town and country. Could this be the transmission going?
NO. A knocking noise in the engine is a problem in the engine.
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.
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 does it mean when your engine has a knocking noise?
When your engine has a knocking noise, it could mean that a rod has been thrown. It could also mean you are low on oil.
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
How do you fix a knocking noise in a 5.3 Chevy engine?
sell it
Knocking noise when accelerating?
The knocking noise is commonly called spark knock. The knock can be called by the engine timing not being set correctly, or using gas that has too low of an octane for the engine.
When starting my engine I hear a knocking noise and when I start driving it kinda fades I own a 2001 Chevy Malibu?
if its a low knocking noise it is normal on the 3.1 engine!! if it is loud check to make sure the valves are getting oil!! I have a 2000 Malibu v6 and it is the same way.
Knocking noise while accelerating?
A knocking noise can occur from worn engine mounts. When the rubber insert on the engine mounts are old and brittle the chassis is not protected from the weight of the engine. Creating loud vibrations that get louder as the vehicle goes faster.
What causes a knocking noise under the hood of your car?
it could be your valves or your engine
