How to Install an O2 Sensor in a 1989 240SX?

Answer Replacing an oxygen sensor in your 1989 Nissan 240 SX may improve the way the engine runs if you have a sensor that is not functioning properly. A defective or failing O2 sensor will often cause th... Read More »

Top Q&A For: How to Install an O2 Sensor in a 1989 240SX

How to Install a 240SX SMIC?

The SMIC intercooler in a 240SX is designed to cool outside air before it’s inducted into the fuel delivery system. Cool air has greater density than warm air, and you get maximum combustion perf... Read More »

How to Install a 240SX Thermostat?

The Nissan 240SX uses a thermostat that is located at the end of the top radiator hose to regulate the temperature of the engine. Once the engine starts to get hot, the thermostat will open up and ... Read More »

How to Install the Front Bumper on a 240SX?

The Nissan 240SX is a two-door sports car with a sport-style front bumper. The bumper has slots and openings, including openings for grill inserts and lights. It is made of a flexible plastic mater... Read More »

How to Install a 240SX Short Shifter?

Though it is no longer in production, the 240SX has gone on to become something of a cult classic, thanks to its capable rear-wheel-drive platform, which makes it a perfect candidate for a modified... Read More »