No, replace the plugs, check your o2 sensor, check your timing and see if your injectors are leaking. Even seafoam will just be a band aid, something is making you run rich or burn a lot of oil.
no The starter should engage whether the plugs are fouled or not. However, the engine may not start if enough plugs are fouled. If you feel that you have flooded the engine or fouled the plugs you may need to clean them before it will start. If you have caused the carburetor float level or other settings to be significantly changed, the engine will flood and it will not start.
There a number of things depending on the age of the engine. The sparkplugs of an older engine could be poorly gapped, fouled or just need to be replaced. The problem could also be the distributor cap could also be the problem. In a newer car the problem could be injecters or any number of sensers. In any car the problem could be wires.
Maybe the engine got flooded with gasoline in the process and fouled the spark plugs.
There could be a humming noise from the engine of a 2002 Toyota Corolla because of low oil or a fouled spark plug. It can also indicate a more serious problem.
Yes
Yes, fouled spark plugs can cause engine shaking, and loss or power. I'm not sure about knocking but I'd guess that too.
Check The ignition wires and coil. Make sure that you don't have a fouled plug. If these are ok then there could be an internal engine problem, check for proper compression.
Sweet smell at the exhaust indicates coolant is entering the combustion chamber and is caused by a blown head gasket or cracked head. The black smoke is caused by excess fuel not being burned due to fouled plugs, which are fouled by the coolant. The check engine light is coming on due to the fouled plugs. You have a very serious engine problem that will require a major repair. Stop driving this car immediately before the engine is ruined. Take it to a professional.
Not necessarily. The problem could lie in the engine timing, bad spark plug wires, excessively fouled spark plugs, or a bad distributor.
This engine will be fuel injected. This means that if the engine will not idle at the correct speed there is something wrong with the fuel injection system. The most common problem leading to a high idle is a vacuum leak. The second most common problem is a bad or fouled spark plug If neither of these is the problem a scan with a correct tool may tell what component has failed .
The CEL on the '97 Expedition indicates a combustion problem, for instance a fouled spark plug or faulty o2 sensor. To find out exactly what problem it's indicating, you'll need to go to a mechanic with the proper computer to read it.
spark plugs fouled with oil. blue smoke from tail pipe.