How Can I Check My O2 Sensor?

Answer Most modern gasoline engines use an oxygen sensor to monitor the air and fuel mixture entering your engine. Obtaining the correct air to fuel ratio is vital for getting the maximum performance and ... Read More »

Top Q&A For: How Can I Check My O2 Sensor

How to Check a Map Sensor?

Map sensors are pieces of equipment located in the engine of your car that monitor and maintain the air flow of your vehicle. Every now and then, you should run a quick test on your map sensor to e... Read More »

How to Use an Ohm Meter to Check the ABS Sensor?

When the brake light comes on, most people go to the mechanic. Nobody wants the brakes to fail. If you have ABS, the fault is often the ABS sensor. This sensor tells the braking system how fast the... Read More »

How to Check a Speed Sensor?

A vehicle speed sensor is attached to the transmission under the vehicle. When the engine is running, it produces a pulsing output voltage the frequency of which relates to the vehicle's speed. Thi... Read More »

How to Check a GM Oxygen Sensor?

The O2 sensor in your GM vehicle measures the air-fuel ratio to make sure that your vehicle is running with the correct mixture of air to gasoline. The ideal mixture is 14.7 (parts air) to 1 (part ... Read More »