How to Test Hall Effect Sensors?

Answer The camshaft position sensor and the crankshaft position sensor are Hall effect sensors that monitor the position of the camshaft and the crankshaft. A small magnet passes in front of the sensor. A... Read More »

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How to Test O2 Sensors?

Oxygen sensors are an integral part of the engine of today's cars. Not only do oxygen sensors help with gas mileage and the overall performance of the car, but they also decrease pollution and cons... Read More »

How to Test ABS Brake Sensors?

Anti-locking brake system (ABS) speed sensors have the purpose of informing your vehicle's computer of the rate at which the vehicle's wheels are moving. The vehicle computer, which is also called ... Read More »

How to Test Oxygen Sensors?

The oxygen sensor is mounted in the exhaust pipe just forward of the catalytic converter. This sensor monitors the amount of oxygen in the exhaust. The sensor sends a voltage signal to the vehicle'... Read More »

How to Test a Ford's Four Pin MAP Sensors?

Ford vehicles are equipped with a digital four-pin manifold absolute pressure (MAP) sensor. The MAP sensor measures the current engine load and relays this information to the engine computer. The e... Read More »