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This is straight from the full owner's manual for the Innova 3320 digital multimeter
Monitor the voltage and current of a car’s battery or alternator. This feature is useful when wanting to know how much of your battery is charged a...
The Check Engine Light, also called the Malfunction Indicator Lamp (MIL), is the most common dashboard light, and it can turn on for a multitude of...
The voltage output of an oxygen (O2) sensor in a properly functioning vehicle can vary depending on the specific engine and the operating conditions.
Your vehicle's Instrument panel has several indicator lights, such as the Check Engine, Service Engine Soon, ABS, Shift to D2 and Temperature indic...
Sometimes, too much air gets into a vehicle's braking system. For example, air bubbles can enter the braking system through system leaks, during ma...
A vehicle that isn't running in time will show signs of a rough idle, pinging, loss of power, or possibly a check engine light.
Fuel trim is critical when it comes to diagnosing lean and rich conditions. It determines how the ECU controls the engine's fuel delivery.
If a vehicle system isn't operating correctly, then it should be repaired. This is where diagnostic and other skills come into play.
Summer has arrived, but the A/C has departed from your vehicle. Commuting to work and road trips will not be as pleasant until the issue with the A...
An OBD2 scan tool is a diagnostic tool that connects to your car via the data link connector, also known as the OBD2 port.
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