Why Does My car clunk when idle?

Why Does My car clunk when idle?

Rattles From Under the Hood One common problem that will cause a rattle at idle is a failing hydraulic valve lifter. If you hear a “clack-clack” kind of rattle when you start your car’s engine, it could be a sign of piston slap.

What are the symptoms of a failing catalytic converter?

Among the symptoms of a bad catalytic converter are: Sluggish engine performance. Reduced acceleration. Dark exhaust smoke.

Why does my car make a clicking noise when I idle?

The first noise you described sounds like valve lifter noise. You will hear this sound if the engine is low on oil. Check the oil level and add if necessary. The lifter noise is not heard at higher RPMs because the oil pressure is higher as the engine speed gets higher. If you have high mileage, you could benefit from the next higher viscosity oil.

What does it mean when your car engine is making weird noises?

Your car engine is making unnatural noises and you don’t have the slightest idea what it could be. The unfortunate truth is that engine noises can mean anything from a simple quick-fix, to a complete engine overhaul that may not be worth the money if your car has some gnarls in its beard.

What can I do if my engine is making a ticking noise?

You can usually stop your engine from making a ticking or clicking noise rather easily. Most ticking noises can be fixed by replacing your oil or even swapping out a single part. Sturtevant Auto carries a selection of parts from popular models like Honda, Chevy, Ford, or Toyota.

Why does my car make knocking and pinging noises?

This knocking and pinging occurs when fuel ignites inside the cylinder, only to have more fuel enter the cylinder immediately after. This second ignition could be caused by a number of things: Before you attempt any repairs yourself, we recommend taking your car into the shop so you can get a tune-up.