What does it mean when the piston hits the spark plug?
Your water leak may have something to do with it. You might have a leaky head gasket (O-ring) thats causing that cylinder to run lean or a least look like it’s running lean and water/anitfreeze in that cylinder could have closed the spark plug gap. Water in a cylinder could cause a knocking sound also.
How can you tell if you have a blown spark plug?
When a spark plug is blown and your engine loses a cylinder, you will experience a lack of power, poor engine performance, bad gas mileage, rough idle, different engine noises, and smell of gasoline from the exhaust.
What happens when one spark plug goes bad?
There may be other reasons why the engine misfires, like a bad ignition coil plug cap or inferior quality fuel. However, a misfire is often the result of at least one worn spark plug. You’ll notice the engine pace falters and then catches back up. You may also hear the engine pop as it loses and regains timing.
Can a piston hit the spark plug?
When a timing belt slips, it can easily take out a valve and leave it sitting on top of the piston. Then on the next rotation, the piston(s) has a nice sized foreign object to force right into the spark plug.
Should spark plugs be wet or dry?
For the optimal functioning of your lawn mower, the spark plug has to be in good condition – which means it must not be wet. If you notice that it is wet, you can take various steps to correct the problem, or you can choose to replace the plug itself so that it does not lead to lasting system damage.
Can a broken spark plug damage engine?
Do NOT drive a car with a piece of sparkplug inside the engine. It can (and likely will) lead to serious damage (up to a catastrophic engine failure). Get your car towed to a service and have the pieces of the broken plug removed. Additionally, get the oil changed (probably with a flush too, to remove all the debris).
What causes a valve to hit the piston?
a valve could hit a piston because the timing is off and the volve doesnt close in time and the piston comes up and helps it… a rough idle wouldnt cause that but try looking at all the valve springs, if one is broken the valve wouldnt spring shut but would be once again helped by the piston.
How long can you drive with a bad spark plug?
How long can you drive on a bad spark plug? You can typically get 80,000 miles on them before they need replacing. But if you notice any of these symptoms, it’s time to get your spark plugs checked out with an engine tune-up.
What does a failing spark plug feel like?
Common signs of faulty spark plugs include slow acceleration, loss of power, poor fuel economy, engine misfires, and difficulty starting the car.