The sensor uses a hot wire that changes resistance as air passes over it. The wire can be contaminated and give false information to the engine management system. The source of the contamination could be a damaged filter or housing. When the sensor is contaminate, it can set code P0101 for Mass Air Flow Sensor Circuit Range/Performance.
This video is sponsored by NGK Spark Plugs.
Maximize your diagnostics with readiness monitors.
Readiness monitors are the way a control unit performs automatic diagnostic checks of emissions related systems, and as soon as they run, they report system status as complete or “ready.”
There are two types of monitors. Continuous monitors run immediately every time a vehicle is started.
Use the correct tool to measure the effective belt length at the cord line. This video is sponsored by Continental.
Joe Keene discusses how to calibrate the surround view system on a VW/Audi vehicle.
Follow along as Joe unboxes the OEM replacement mass airflow sensor. This video is sponsored by United Motor Products.
Learn about the importance of replacing a filter in any season. Sponsored by The Group Training Academy.
False activation incidents involve the ABS modulator taking over braking or intervening to restore vehicle stability.
On older throttle cable systems, the carburetor or fuel injection system reacted to the throttle angle.
When solving a fuel pump issue, the scan tool is your best friend.
Trying to make do with a battery charger or jumper pack can cost you more than the price of a reflash power supply.
