Yes a timing belt can make it run bad the vale timing gould be off an the cam will be in re tard timing
No.
Bad coil? Bad rotor? Bad distributor cap? Bad Ballast resistor?
No you can't.
When you get your new belt, ask the sales people to print the diagram for you. Most of the stores have access (such as AutoZone). I just rerplaced mine with my son and it wasn't bad at all (end at the belt tensioner). Other than that, have fun!
Your heater core is probably bad.
it could either be a bad beattery or a bad starter
Bad bearing in blower motor?
Bad Throttle Position Sensor
Bearing going bad?
como saber cuando pcm esta descompuesto
The battery light indicates that the battery is not receiving a charging current. You may have a bad alternator or a broken drive belt (if you have a broken belt you'll have overheating and power steering problems too, though).
bad pcm regulator