Md Amir

To change a cabin air filter, open the filter housing, slide out the old insert, and install a new one with the airflow arrows in the same direction.

To change an O2 sensor, unplug the connector, remove the old sensor with an O2 socket, then thread in and tighten the new sensor on a cool exhaust.

To change a throttle position sensor, disconnect the battery, remove the old sensor from the throttle body or pedal, fit the new unit, then test and relearn

To change a car thermostat, drain coolant, remove the housing, swap the thermostat, fit a new gasket, then refill and bleed the system.

Changing a tail light means matching the right bulb, accessing the housing, swapping it, and testing the light before you drive away.

To change a serpentine belt, release the tensioner, swap the belt using the routing diagram, then restore tension and check alignment.

To change a car headlight, open the hood, reach the bulb holder, unplug the connector, fit a matching bulb, and test the lights.

To change a car fuse, cut power, match the blown fuse rating, pull it out, and press in an identical replacement.

To change a fuel pump, relieve fuel pressure, access the pump, swap it with a new unit, then reassemble the system and check for leaks.

To change a fuel injector you relieve fuel pressure, remove the fuel rail, swap the injector, then reassemble and check for leaks.