errmmm an engine.... and fuel
gas or a battery charged car makes a car run.
The muffler makes your car run quiet
Slip
Low anti-freeze makes a car run hot going 70 mph.
itlog mo
its ability to burn effectively
A vacuum leak is one possibility.
head gasket failing
yes it makes your car go really slow
by law yes..atleast in my state but the car will run no problem without just makes it louder
it makes you so skinny it looks like a car run you over
yes it does it makes the engine run at a higher rpm to run the ac compressor