What Is an Open MAF Sensor Circuit?

Answer An MAF -- or mass airflow -- sensor measures the airflow that enters an engine area. This information is evaluated so the amount of fuel and air are matched to have the fuel mixture at peak perform... Read More »

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Oxygen Sensor Circuit Information?

The oxygen sensor in a vehicle measures the fuel and oxygen mixture, which influences the level of the gas mileage. If the sensor malfunctions or needs replacement, gas mileage decreases, but when ... Read More »

How to Change the Oxygen Sensor Circuit on a 1996 Neon?

The oxygen sensor on your 1996 Dodge Neon is a small electronic device that measures the proper ratio of fuel to oxygen. The oxygen sensor also adjusts this ratio if it gets out of balance. The oxy... Read More »

Specifications for an LM35 Integrated Circuit Temperature Sensor?

The LM35 is basically a thermometer on a chip, designed by National Semiconductor. Instead of using mercury or another fluid, it relies on a property of diodes that causes the breakdown voltage of ... Read More »

What is used to open&close a circuit?

A switch opens or closes a circuit. The switch is a piece of wire. When the switch is open, there isn't a loop (circuit) and electrical energy won't move through the circuit.