The knock sensor is a piezoelectric accelerometer that acts as a microphone on the engine. It converts vibrations into alternating current (AC) signal. When the crystal inside the sensor is vibrated, it produces an AC voltage. The greater the vibration or shock, the higher the voltage and frequency.
The large batteries that EVs carry need to be maintained within a specific temperature range for optimal performance.
Addressing brake pulls requires diagnostic dedication. This video is part of the Group Training Academy.
Complete, safe brake jobs are key. This video is part of the Group Training Academy.
Silence noise with a complete brake job. This video is part of the Group Training Academy.
Diagnostic work is more sophisticated and your techs’ time is worth charging for. This video is sponsored by Auto Value and Bumper to Bumper.
Andrew Markel uses an old school toy to describe how these belts work. This video is sponsored by Auto Value and Bumper to Bumper.
What can you do both for maintenance and for service and diagnostics to confirm a mass airflow sensors functioning properly? Andrew Markel shares the secret in this video sponsored by Auto Value and Bumper to Bumper.
Replacing a single coil might not be the best approach to curing an engine of a chronic misfire.