P0104 on 2013-2018 Mazda CX-5 — Mass or Volume Air Flow "A" Circuit Intermittent
1 vehicles · 1 makes
How to diagnose and fix P0104: most-reported vehicles
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Mazda CX-5 · 2013–2018
MAF sensor becomes contaminated with dirt or suffers water damage, providing incorrect air intake readings. Causes vehicle to enter "limp mode" with severe performance degradation.
Common Symptoms
- Loss of power, vehicle enters limp mode
- Engine hesitation and jerky acceleration
- Check engine light with codes P0100-P0104
- Erratic idling and misfires
- Vehicle may stall and not restart
How to Fix
Clean MAF sensor with CRC MAF cleaner (#05110) or replace sensor. Do not use brake cleaner or carburetor cleaner as they can damage the sensor.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
- CRC 05110 Mass Air Flow Sensor Cleaner, 11-ounce aerosolOEMCRC 05110
Clean a contaminated MAF sensing element after diagnosis Fitment/availability: Live direct product page identifies CRC 05110 MAF cleaner. Use only on a removed MAF according to the label, never substitute brake/carburetor cleaner, never …
- Genuine Mazda PE01-13-215 mass air flow sensorOEMMazda PE01-13-215
Confirm VIN and installed sensor number because the dealer catalog also co
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Owner tips & cautions
- TipTry cleaning first with proper MAF cleaner before replacing
- TipEnsure air filter is clean - dirty filter damages MAF
- WarningDo not over-oil K&N filters (oil contaminates MAF)
- TipDisconnect battery after cleaning to reset ECU
Sources for this issue (3)
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P0104 code reference
General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.
Frequently asked questions
What does P0104 mean?
P0104 stands for "Mass or Volume Air Flow "A" Circuit Intermittent." The PCM detects an intermittent or erratic MAF sensor 'A' signal — the reading cuts in and out or jumps irrationally rather than failing steadily. Often caused by a loose connection or marginal sensor.
What are the most common causes of P0104?
The most common causes of P0104 are: Loose or corroded MAF connector, Chafed/intermittent wiring, Failing MAF sensor element, Vibration-related connection faults, Contaminated sensor. The specific cause varies by vehicle.
How much does it cost to fix P0104?
Repair costs vary widely depending on the root cause and vehicle.
Which vehicles are affected by P0104?
Au7o has documented P0104 across 1 vehicle models from 1 manufacturers: Mazda.
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Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.