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MAF Sensor Cleaning or Replacement in Vantaa

A contaminated mass airflow sensor gives wrong readings for fuel metering — quick cleaning is often enough.

Never clean a MAF with ordinary cleaner — only use dedicated MAF cleaner spray.

Mass airflow sensor pricing:

MAF sensor cleaning – 155 €
New MAF sensor installation – from 250 €
Manufacturer OE MAF (Bosch, Hitachi) – from 320 €
Air filter replacement at the same time – 90 €
Diagnostics and reading adaptation – included

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MAF sensor service

Price includes cleaning or replacement and adaptation. If cleaning doesn't help, the clean fee is credited against a new sensor quote.

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from155 €

When a MAF sensor needs service

The mass airflow sensor (MAF) measures the amount of air drawn into the engine. The sensor sits after the air grille, between the air filter and the intake manifold. When the sensor gets contaminated with dust or oil residue, its measurement accuracy drops and the engine ECU meters fuel incorrectly. Typical symptoms of a dirty MAF: rising fuel consumption, power loss especially at low rpm, rough idle and an engine warning with codes P0100–P0104 (MAF circuit fault). Cleaning works in about 70 % of cases; if the sensor is electrically damaged, a new one is needed.

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Why do MAF sensors get dirty?

MAF contamination almost always comes from two sources. The first is an aged or dirty air filter that lets dust reach the sensor element. The second, more common one is oil leakage from the crankcase breather: oil mist finds its way into the intake manifold and sticks to the sensor's hot wire, forming an insulating film. That's why the air filter has to be replaced regularly and the crankcase breather checked — without those, even a cleaned MAF will foul again quickly.

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