yes
Because when any sharp thing is injected into your body its gonna hurt.
yes, why? because vaccine is a injected medicine for adults that can hurt you so much
It would hurt it. Changing the spring will make the pedal harder to push down. The spring pulls the pedal up.
There might not be something wrong with the gas pedal, but with your knee.
You'll just end up having to flush it out, because it won't ignite. However, if it's injected while mixed with unleaded gasoline, it could cause detonation in the cylinders, which could wreck your engine.
It won't hurt the engine but it will hurt the catalytic converter.
If the oil is turning grey, it could be a blown head gasket, or busted water jacket. If it's fuel in the oil, it depends on what kind of fuel system. Fuel injected systems can have leaking manifold gaskets and leaking injectors. Systems with carburetors can have stuck floats causing fuel to mix with oil. Water doesn't hurt as bad as antifreeze, which can damage bearings. Fuel in oil thins the oil lowering its viscosity and causing more wear.
Fuel injector cleaner does not hurt anything,but most fuels already have a cleaning additive in their fuel.
Yes, if it is partially clogged.
Various parts doesn't hurt ozone. Ammonia is one of them.
It depends on the car. In carbureted cars it will starve it for fuel, and if you run it for long periods, especially on hot days it can burn up your motor. In fuel injected cars they are hard to start and will sometimes stall. This can also possibly damage your fuel injection system. If at all in doubt just change the filter, it should be changed every 15,000 miles, so your car likely needs one any ways. This is not to say that it is clogged and will destroy your motor, but it couldn't hurt.