How to Change Ford Expedition 1998 Oxygen Sensors?

Answer It may come to pass that the oxygen (O2) sensor on your 1998 Ford Expedition' goes bad and you will need to replace it. The oxygen sensor regulates the fuel-to-oxygen ratio in your vehicle, control... Read More »

Top Q&A For: How to Change Ford Expedition 1998 Oxygen Sensors

How to Change the Oxygen Sensors on a Ford Expedition?

The oxygen sensors gather and send information to the Engine Management System (EMS) on your Ford Expedition. The EMS uses this information to regulate the air-fuel mixture and control vehicle emis... Read More »

How many oxygen sensors does a Ford Expedition have?

The 2010 Ford Expedition and all previous models dating back to 1994 have two oxygen sensors. One oxygen sensor is located after the headers where exhaust gases exit the engine. The other is found ... Read More »

How to Change Oxygen Sensors on 1998 BMW 328I?

The oxygen sensor, or O2 sensor, on the 1998 BMW 328i is a critical part of the engine management system. Reading the percent of oxygen in the exhaust gases, the sensor converts the percentage to m... Read More »

How to Change the Sparkplugs on a 1998 Ford Expedition?

Changing the spark plugs on your 1998 Ford Expedition every 20,000 to 30,000 miles will keep your truck running smoothly. If your truck is running rough or starting hard, the spark plugs may be all... Read More »