Check engine light is on

GO TO AUTO ZONE AND THEY WILL CHECK THE ERROR CODE FOR FREE

total check the engine. check the cooling system ,check the engine pistons, check the piston valve ,check the the thermostat which also part of the cooling system .cooling system ;means these the parts of engine that provide the engine not to over heat . Engine piston, engine block , engine valve and the other parts these are the one that compress the gasoline that makes the car run.if you have tools to u can do it your self .its better to be safe while on the street on your 1995Geo metro.