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Mass Air Flow Sensor 06J-906-461-B
Verfügbar in Shops 78 Angebote
Fahrzeug-Passgenauigkeit 175 Fahrzeuge
Technische Daten
| OEM Part Number | 06J 906 461 B |
|---|---|
| Part Type | Mass Air Flow (MAF) Sensor |
| Also Known As | Air Meter |
| Housing Material | Durable plastic with internal electronic components |
| Connector Type | Wiring harness plug-in connector |
| Mounting Method | Bolt / screw secured |
| Installation Location | Between air filter housing and throttle body |
| Replacement Interval | On-condition / as-needed (no fixed interval) |
| Dimensions | — |
| Compatible Brands | Volkswagen, Audi |
So ersetzen Sie Mass Air Flow Sensor
Replacing the MAF sensor on VW and Audi vehicles is a straightforward job suitable for a DIY mechanic with basic tools. The sensor is accessible in the intake tract between the air filter housing and throttle body. Always confirm the engine is off and cool before beginning work, and reference your vehicle's service manual for model-specific torque values.
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Safety Preparation
Turn off the ignition and remove the key. Allow the engine to cool completely. Disconnect the negative terminal of the battery to prevent accidental electrical shorts during sensor handling.
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Locate the MAF Sensor
Open the hood and trace the intake air duct from the air filter housing toward the throttle body. The MAF sensor is mounted inline within this duct, typically secured with two bolts or screws.
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Disconnect the Electrical Connector
Press the release tab on the wiring harness connector and carefully unplug it from the MAF sensor. Avoid pulling on the wires themselves to prevent connector damage.
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Remove Mounting Hardware
Using the appropriate screwdriver or socket, remove the bolts or screws securing the MAF sensor to the intake duct or housing. Set the hardware aside in a safe location.
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Extract the Old Sensor
Carefully slide or pull the old MAF sensor out of the intake housing. Note the orientation of the sensor before removal to ensure the replacement is installed in the same direction.
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Install the New Sensor
Insert the new 06J906461B sensor into the intake housing, aligning it in the same orientation as the original. Do not touch the sensing element with bare fingers, as contamination can affect readings.
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Secure and Reconnect
Reinstall the mounting hardware and tighten to the manufacturer's specified torque. Firmly reconnect the wiring harness connector until it clicks into place. Reconnect the battery negative terminal.
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Test and Verify
Start the engine and allow it to idle. Monitor for smooth idle, proper throttle response, and confirm that no Check Engine Light is present. Use an OBD-II scanner to clear any stored MAF-related fault codes if needed.
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Check Engine Light
A failing MAF sensor commonly triggers the Check Engine Light with fault codes related to air flow measurement, such as P0100–P0103 in OBD-II diagnostics.
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Engine Cranks But Won't Start
A completely failed MAF sensor can prevent the ECU from calculating a viable fuel map, causing the engine to crank without starting.
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Rough or Surging Idle
Inaccurate air mass readings cause the ECU to miscalculate fueling at idle, resulting in unstable, hunting, or surging idle speed.
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Poor Acceleration
Under-reading or over-reading air flow data leads to an improper fuel mixture under load, causing hesitation, flat spots, or sluggish throttle response.
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Engine Misfires
Incorrect air/fuel ratios caused by a faulty MAF sensor can result in incomplete combustion events, producing misfires detectable as rough running or codes P0300–P030X.
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Reduced Fuel Efficiency
A malfunctioning MAF sensor often causes the ECU to run a rich fuel mixture, leading to noticeably increased fuel consumption over time.
Wechselintervalle
There is no scheduled replacement interval for this MAF sensor per VW service documentation. Replacement is driven by confirmed fault codes, failed diagnostics, or verified performance symptoms. Keeping the air filter replaced on schedule is the best preventive measure to extend MAF sensor service life.
Häufig gestellte Fragen
Will the 06J906461B fit my vehicle if I only match by year and model?
Year and model alone are not sufficient for MAF sensor fitment. You must also match by engine code, as multiple engine variants may be offered within the same model year. Always verify against your vehicle's engine code or VIN before ordering.
Is an aftermarket MAF sensor a reliable alternative to the OEM 06J906461B?
OEM-tier suppliers such as Bosch are generally reliable alternatives, as Bosch manufactures MAF sensors for the VW Group at the OEM level. Lower-cost generic aftermarket sensors carry a higher risk of inaccurate calibration and early failure. When substituting, cross-reference the exact part number through the aftermarket manufacturer's official catalog.
Do I need to reprogram or reset the ECU after installing a new MAF sensor?
Reprogramming is not required for a direct OEM or OEM-equivalent replacement. However, it is strongly recommended to clear any stored MAF-related fault codes using an OBD-II scanner after installation so the ECU can recalibrate cleanly with the new sensor.
Can a dirty MAF sensor be cleaned instead of replaced?
In some cases, a contaminated MAF sensor can be cleaned using dedicated MAF sensor cleaner spray, which may restore normal operation. However, if the sensor's sensing element is physically damaged, or if fault codes return after cleaning, replacement with part 06J906461B is necessary.
What fault codes are associated with a failing 06J906461B MAF sensor?
Common OBD-II fault codes linked to MAF sensor failure include P0100 (Mass Air Flow Circuit Malfunction), P0101 (MAF Circuit Range/Performance), P0102 (MAF Circuit Low Input), and P0103 (MAF Circuit High Input). VAG-specific codes may also appear in VW/Audi diagnostic systems.
Where can I buy a genuine OEM 06J906461B sensor?
Genuine OEM sensors are available through authorized VW and Audi dealerships, as well as reputable online OEM parts retailers. When purchasing online, verify the seller's authenticity, check the return policy, and confirm the part number exactly matches 06J906461B to avoid counterfeit or incompatible units.
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