Скачать или смотреть What Does DTC P0101 Mean? Mass Air Flow Sensor Circuit/Performance Malfunction

This video will help you determine the meaning of Diagnostic Trouble Code (or DTC)
P0101.
P0101: Mass Air Flow Sensor Circuit/Performance Malfunction

Possible P0101 signs & symptoms:
Check engine light
Lack of power when accelerating
Coughing/sputtering
Misfiring/backfiring
Trouble idling
Black tailpipe smoke
Poor fuel economy
Any large vacuum leaks

Possible P0101 causes:
Mass airflow (MAF) sensor: https://orly.cc/46E0sx5
MAF circuit/wiring: https://orly.cc/4eXo29T
MAF sensing wire/filament: https://orly.cc/4f3zWzl
Barometric pressure sensor: https://orly.cc/4m5kyEK
Powertrain Control Module (PCM) software: https://orly.cc/4lCtKjY
Air boot
PCV hose: https://orly.cc/46mYHUQ
Intake manifold gasket: https://orly.cc/3GN4fgW


0:00 Welcome Back
0:30 Mass Air Flow Sensor Diagnostic
0:40 P0101 Possible Causes
0:50 P0101 Possible Symptoms
1:00 Driving Recommendation
1:20 Additional Resources

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Leaky Air Flow Sensor Repair P0101
How To Diagnose Mass Air Flow Sensor P0101
Do It Yourself Mass Air Flow Sensor Power Code

It's a simple way to get a full readout and recommendations that could help with diagnosis and repair. Technically speaking, OBD2 fault code P0101 indicates mass air flow sensor circuit or performance malfunction. In practical terms, this means that the output of your mass air flow sensor or MAF sensor is not within its normal range. The causes for this code can have to do directly with the mass air flow sensor, barometric pressure sensor, outdated powertrain control module software, or a vacuum leak somewhere in the intake system. Aside from a check engine light, you may notice performance problems, black smoke from your tailpipe, or poor fuel economy. Whether you notice any symptoms or not, it is not recommended that you drive a vehicle with this code until the problem is diagnosed. Your vehicle may still run, but driving has the potential to make the problem worse or cause damage to other systems. Since the cause of this code can vary from one vehicle to the next, we recommend starting with an O'Reilly Vera scan report. We also have additional resources on our how-to hub to help you diagnose these and other symptoms. If you're not sure where to start on this repair, we'd be happy to recommend a professional shop in your area to help you determine which of the possible issues have caused the code or codes and what your course of action should be. If the necessary repair is one you think you can do yourself, we can get you the parts and supplies you need to get it done right.