Fuel System
Your engine runs on a delicate balance of fuel and air.
Dirt, sand and other impurities can clog your fuel filter and starve your fuel injectors.
Starved or clogged fuel injectors can impede engine performance and reduce fuel efficiency. Warning signs of a clogged fuel injector or fuel filter include:
Stalling while driving.
Misfiring or hesitation during acceleration.
Difficulty starting or long cranking periods.
Overheating
If you find your temperature gauge creeping into the red, turn on your heater. Sound crazy? It can work.
Your heater pulls heat from the liquid that cools your engine. If you turn on the heater and set the fan to full, your heater will pull more heat from this liquid, helping it to cool the engine.
Also, be sure to turn off the A/C at the first signs of overheating. Doing so will take a load off your engine.
The best thing you can do, however, when your engine overheats is to pull over as safely and quickly as possible and wait for your car to cool down. Never attempt to remove the radiator cap until the engine has cooled, the coolant is boiling, and under pressure.