Why is my van knocking?
Why is my van knocking?
The knocking sound often occurs when the air-fuel mixture is incorrect, which causes the fuel to burn in uneven pockets rather than uniform bursts. Left untreated, it can cause damage to the piston and cylinder wall. A knocking sound can also be caused by a lack of lubrication in the upper cylinder head area.
Why do I hear a knocking noise in my engine?
When your engine is running smoothly, the air/fuel mixture burns up in a single, controlled detonation inside each cylinder. Detonation knock is a knocking noise that you’ll hear when the air fuel mixture in the cylinders is detonating in more than once place at a time.
What causes engine noise when gas pedal engaged?
The noise turned out to be from the accelerator cable. It was not secured properly after the repair. I used a tie wrap to secure the cable and that took care of the noise. Check under the hood for the noise, it might be something simple. Ed B. msmothers July 5, 2016, 11:49pm #8
What kind of noise does a car make when you press on the accelerator?
Now this morning there was no noise coming out of the defroster at all, but definitely a noise when I pressed hard on the accelerator and the noise is more noticeable. It is a whining type of noise. Not a knocking noise, but definitely a noise.
Why does my car make noise when I go over 20 mph?
If you hear the noise above 20 mph it’s most likely a wheel bearing noise but it’s not a bad idea to check the tire tread to be sure the tires are not chopped or worn uneven. If you what to leave me more details about the noise I may have a more definitive answer to what may be the problem.
What makes a knocking noise when you push the gas?
Knocking (Tapping) Noise when pushing gas – Maintenance/Repairs – Car Talk Community I have a Manual 2003 Mitsubishi OZ Rally Lancer. She was sitting for awhile due to the main cylinder causing issues for the clutch, which is now fixed. But I noticed the other day that whenever I press the gas there’s a …
Now this morning there was no noise coming out of the defroster at all, but definitely a noise when I pressed hard on the accelerator and the noise is more noticeable. It is a whining type of noise. Not a knocking noise, but definitely a noise.
Why does my car engine make strange noises?
An internal combustion engine that is fully functional will not make any unusual noises. But if you do start to hear strange noises that you don’t normally hear, there could be a lot of different reasons for this. The exact type of sound that you hear might determine the problem.
What does it mean when you hear a knocking sound in your car?
The exact type of sound that you hear might determine the problem. Most people will hear a knocking sound when there is a mechanical problem somewhere in their engine. Some people call it a pinging sound which does not go away. It may even get worse as you step on the gas pedal.