CLEAN YOUR CARBS! If that doesn't solve it, put a little bit smaller jets. If that doesn't work, clean your exhaust, you may have a nest in there, same with your air box.
they use ear plugs
Wrong size plugs. Or Incorrect rotating assembly.
swimmers waer earplugs to keep from water getting inside their ears.
If water or oil is getting into a couple of cylinders, the plugs can be fouled and not sparking which can keep it from starting.
The year, make, model and engine would help us help you.
How is your coil pack ?
better check over the fuel system carefully. doesn't sound like it's getting gas.
You are getting pressure in your cooling system if they are not rusting out, could be from a blown head gasket or hopefully a bad radiator cap.
COULD BE YOUR VALVE SEALS OR PISTON RINGS DONT SOUND GOOD HOW MUCH MILES
Bad voltage regulator
i change the spark plugs on my car but they keep popping out
=why do my plugs keep cracking in a 2000 for explorer....changed four already