What Are the Problems of a Faulty O2 Sensor?

Answer Oxygen, or O2, sensors have been mandatory on most cars and trucks made in America since 1981. They regulate the fuel mix to make your vehicle run efficiently, reducing emissions and improving gas ... Read More »

Top Q&A For: What Are the Problems of a Faulty O2 Sensor

What Are the Symptoms of a Faulty Oxygen Sensor?

Most vehicles manufactured after 1980 contain engine oxygen sensors as part of the emissions control system to help the engine run efficiently and keep harmful emissions low. These sensors constant... Read More »

What Are the Signs & Symptoms of a Faulty O2 Sensor?

Your vehicle's O2 sensor measures the ratio of oxygen to fuel. It is located in the exhaust stream, where its measurements guide computer control of the car's fuel-injection and emission systems. ... Read More »

Symptoms of a Faulty Map Sensor?

An engine's MAP, which stands for manifold absolute pressure, sensor monitors the amount of pressure in the intake manifold, which is where air and fuel are introduced to the engine. The vehicle's ... Read More »

Symptoms of a Faulty Crank Sensor?

Vehicles that were made in 1980 and later all have a computer component that manages sensors and provides information to the engine. The computers help the cars to get the best efficiency they can.... Read More »