The Quick Answer above is the generic definition. What follows is what is documented for the Volkswagen models that log P0102, checked against manufacturer data and owner reports.
DTC/P0102·Volkswagen
P0102 on Volkswagen: Causes, Symptoms and Fix Cost
Quick Answer
Moderate SeveritySafe to drive (short-term)Volkswagen
P0102 on a Volkswagen means the mass air flow sensor is reporting a voltage or frequency below the expected idle minimum. The ECU thinks almost no air is entering the engine, so it cuts fuel injection accordingly. The root cause is usually a contaminated MAF element, a major air leak after the sensor, or a wiring fault.
Repair cost on Volkswagen€8 - €350
Connect any standard Bluetooth OBD2 adapter to your Volkswagen and Skanyx tells you what P0102 means on that engine, whether it is safe to keep driving, and what the fix should cost. Free on iPhone and Android.
Get Skanyx freeWhat does P0102 mean on a Volkswagen?
Volkswagen Golf
2008–2024The Golf TFSI (EA888) commonly throws P0102 when the carbon buildup on intake valves restricts airflow enough to skew MAF readings low at idle. Walnut blast cleaning of the intake valves is the standard fix on the EA888. The intake charge pipe between the MAF and throttle body also cracks at the dogbone mount on high-mileage cars, creating air leaks after the sensor.
What causes P0102 on a Volkswagen?
Beyond the generic causes listed on the main P0102 page, these are the documented Volkswagen-specific patterns:
Volkswagen GolfEA888 intake valve carbon buildup restricting airflow past MAF
Volkswagen GolfCharge pipe cracking at dogbone mount on high-mileage TSI
How to diagnose P0102 on a Volkswagen with OBD2
Follow these steps to pinpoint the root cause of P0102:
- Read live data and check MAF reading at idle. A 4-cylinder should show 2–7 g/s. Below 1 g/s is consistent with P0102
- Inspect the air filter and replace if dirty (a clogged filter pushes MAF readings low)
- Inspect the intake tract from the MAF housing to the throttle body or turbo for cracks, loose clamps, or disconnected hoses
- Clean the MAF sensor using a dedicated MAF cleaner spray (never use brake cleaner or carb cleaner)
- If readings remain low after cleaning and the intake is sealed, unplug the MAF and test drive. If the car runs better, replace the sensor
How much does P0102 cost to fix on a Volkswagen? (EUR)
Estimated repair costs for P0102 in EUR, compiled across makes. Expect Volkswagen parts and labour towards the upper end of each range.
Prices estimated as of March 2026. Costs vary by region, vehicle, and shop.
Related codes that often appear with P0102 on Volkswagen
These codes commonly cluster with P0102 on Volkswagen vehicles:
Looking for the full P0102 reference (all makes, full diagnosis flow, complete repair cost matrix)?
See the main P0102 guideSkanyx · Volkswagen
Diagnose P0102 on your Volkswagen
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