How to Know if Your O2 Sensor is Bad?

Answer The O2 sensor is a device found on all modern production vehicles that monitors a vehicle's emissions. O2 sensors send information about the emissions to the vehicle's computer. The computer then a... Read More »

Top Q&A For: How to Know if Your O2 Sensor is Bad

How to Know Whether to Replace Your Camshaft Position Sensor or Crankshaft Position Sensor?

The camshaft sensor and the crankshaft sensor, although both hall effect sensors, serve different purposes. They both can be diagnosed using similar procedures. Neither sensor should have any glitc... Read More »

How to Know If Your Map Sensor Is Bad?

MAP stands for "manifold absolute pressure." The MAP sensor reads the vacuum levels from an inlet in the intake manifold. This vacuum level data then gets picked up by the vehicle's computer, or EC... Read More »

How to Know if the Mass Air Flow Sensor on Your 2007 Nissan Maxima Is Bad?

The name “Maxima” dates back to the old Datsun days, where in 1981, the top trim level of the Datsun 810 was the Maxima. The 2007 Maxima, which was three years removed from the seventh generati... Read More »

How to Know if the Air Flow Sensor Is Out?

The mass airflow (MAF) sensor measures the amount of air entering a vehicle's engine through the fuel injection system. The MAF sensor is essential for controlling the flow of air and helps ensure ... Read More »