P0102 on Nissan: Causes, Symptoms and Fix Cost
Quick Answer
Safe to drive (short-term)
P0102 on a Nissan 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.
- Severity
- Moderate · Fuel System
- Typical repair cost, all makes
- €8-€350
Connect a standard OBD2 adapter (Bluetooth LE on iPhone) to your Nissan 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 Nissan?
The Quick Answer above is the generic definition. What follows is the model-specific detail for the Nissan models that log P0102.
Nissan Qashqai
2007-2024
Nissan's hot-film mass air flow (MAF) sensor is a known weak point (Qashqai, Juke, Note, Micra and the QR-engined Altima and X-Trail), so P0102, a low MAF signal, is very often the sensor itself or its connector rather than a wiring fault. An over-oiled aftermarket air filter is a common trigger, so fit an OEM Hitachi MAF.
What causes P0102 on a Nissan?
Beyond the generic causes listed on the main P0102 page, these are the patterns noted for Nissan models:
Failing hot-film MAF sensor, a known Nissan weak point
: Nissan Qashqai
Corroded or loose MAF sensor connector giving a low signal
: Nissan Qashqai
Over-oiled aftermarket air filter contaminating the MAF element
: Nissan Qashqai
How to diagnose P0102 on a Nissan 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 Nissan? (EUR)
Estimated repair costs for P0102 in EUR, compiled across makes. Nissan costs typically sit in the middle of each range.
| Repair | Parts Cost | Labor Cost | Total Estimate | DIY Difficulty |
|---|---|---|---|---|
| Clean MAF sensor with MAF-specific cleaner | €8–€20 | €0–€60 | €8–€80 | Easy |
| Replace MAF sensor | €40–€250 | €30–€80 | €70–€330 | Easy |
| Repair intake boot or charge pipe air leak | €20–€150 | €60–€200 | €80–€350 | Moderate |
Prices estimated as of March 2026. Costs vary by region, vehicle, and shop.
Codes related to P0102
These codes are often seen alongside P0102 or point to related issues, on any make:
Looking for the full P0102 reference (all makes, full diagnosis flow, complete repair cost matrix)? See the main P0102 guide
Diagnose P0102 on your Nissan
Your car logged P0102. Skanyx reads it on a standard OBD2 adapter (Bluetooth LE on iPhone), tells you whether it is safe to keep driving, and shows the €8-€350 repair range so you know the number before a shop quotes you. Free on iPhone and Android, and you do not need to be a mechanic to read it.
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