try replacing the thermostat for $8... if that doesnt work check your coolant level.. if its always low you prob need to replace the manafold gasket, which is cheap to buy but expencive for a garage to put in if you dont know how to do it yourself. If your asking this question you prob. dont know how.
it,s under the dashboard behind the temperature control knob
clockwise
clockwise
Clockwise.
Rotor turns clockwise.
Move the heat control lever to the off position.
It is clockwise
Clockwise.
clockwise
clockwise
clockwise from driver's seat perspective
Oxygen sensors, MAP (Manifold Absolute Pressure) sensor, IAT (Intake Air Temperature) sensor, ECT (Engine Coolant Temperature) sensor, TPS (Throttle Position Sensor) all these and more send information to the PCM (Powertrain Control Module) to control the fuel mixture.