Audi Mass Air Flow (MAF) Sensor Symptoms & Replacement

Is your Audi hard to start, jerks during acceleration, the engine runs lean, or is the check engine light on (fault code P0101)? Learn how to fix it by replacing the mass airflow sensor.

Follow the procedures below to replace your Audi vehicle’s mass airflow sensor. Replacing an Audi’s mass airflow sensor is easy and takes less than 30 minutes, even for beginners. Always read the codes and verify the problem before you replace the MAF sensor on your Audi.

Symptoms

This is what you may notice if your Audi MAF sensor is bad or dirty:

• The check engine light stays On.
• Car is hard to start.
• The engine stalls soon after starting.
• The engine runs unusually lean or rich.
• Audi hesitates when idle or under load.
• The car jerks during acceleration.

Common Causes

• Dust Build-up: A dirty air filter could damage the MAF sensor. To avoid dust accumulation, it is advisable to follow a preventive maintenance service schedule.
• Defective MAF sensor: The mass airflow sensor may be internally faulty due to wear and tear.
• Wiring issue: Corrosion in terminals or damaged wiring harness could affect mass airflow sensor reading incorrectly.

What you will need

• Audi MAF Sensor
• Screwdriver

Procedure

1. Open the Audi’s hood. The hood release is placed under the dashboard on the driver’s side.

   

   Locate the mass airflow sensor next to the engine air filter. 

2. Unplug the electrical connector from the Audi mass airflow sensor. Press the connector, then pull it to unplug it from the MAF sensor.
3. Replace model MAF Sensor. Remove the two screws that hold your Audi mass airflow sensor in place.
4. Install the new MAF on your Audi. Retighten the screws so that they are snug. Plug back the electrical connector until it locks in place.
   

Part Numbers

Below is a table showing several Audi MAF sensor part numbers and applicable model years; cross-reference part numbers have been provided when applicable.

Part Number (Cross-reference)	Fitment
0280218063, 0 280 218 063 06A906461L, 0280218063, 0 280 218 063 0280218064,0986280217	2000-2006 Audi A4 1.8L 2001-2005 Audi A4 Quattro 1.8L 2001-2006 Audi TT ALL 2001-2002 Audi TT Quattro AWP ALL
0280218060 06A906461G 0 280 218 060, 06A 906 461 G	2007-2010 Audi Q7 4.2L
W0133-1815230 12817397	2001-08 Audi A6 Quattro/2001-10 A8 Quattro 4.2L 8Cyl 5-Prong Connector
06F906461A, 06F 906 461 A, 06F-906-461-A MAF0052, MAF 0052, AFH 60M-27, HTC AFH60M-27 MAF0052 HTC AFH60M-27 AFH60M-27	05 06 07 08 AUDI A4 AVANT 2.0L ENGINE AIR FLOW METER
06J906461B PZNRV31670001	AUDI A3 A4 A5 Q5 VW GTI JETTA PASSAT TIGUAN 08-17 2.0L
8ET009142241, 078133471E,33650147	Audi A4 A6 6 Cylinder, 2.8L V6 Engine

Check Engine Light Still On

If the check engine light is still on after you replace the Mass Airflow Sensor, you can use the YOUCANIC Full System Scanner to clear the stored codes. This scanner can also read and clear fault codes on every control module of your Audi vehicle.

We hope you found this guide on Audi Mass Air Flow (MAF) Sensor Symptoms & Replacement helpful. Check these troubleshooting and repair guides for more help on your Audi vehicle.

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