Fault codes › P0104

P0104

Mass or Volume Air Flow Circuit Intermittent

Generic code Fuel and Air Metering High severity Hard repair
Free on OBD DashX

Want real-world data on P0104?

See which problems come with P0104, how often it shows up in other vehicles, and how to fix it — step by step.

  • Real-world fix data
  • How often it happens
  • Step-by-step repairs
See P0104 on OBD DashX No sign-up needed · available in 10 languages

iWhat P0104 means

  • The fault code P0104 indicates that there is an intermittent issue with the circuit that controls the mass or volume air flow sensor. This may cause the engine to run poorly or not start at all.

!Possible symptoms

  • Illuminated check engine light
  • Engine runs poorly or not at all
  • Rough idle or stalling
  • Reduced engine power or acceleration

?Possible causes

  • Faulty mass or volume air flow sensor
  • Failed wiring or connections in the circuit
  • Loose or corroded electrical connections
  • Failed engine control module (ECM)

Related parts

  • Mass Air Flow Sensor: A mass (air) flow sensor (MAF) measures the amount of air entering the engine to ensure proper combustion. This car's malfunctioning MAF sensor will lead to poor fuel economy and performance

Possible solutions

  • Replace the mass or volume air flow sensor
  • Check and repair any damaged wiring or connections
  • Tighten or clean any loose or corroded electrical connections
  • Replace the engine control module (ECM) if necessary
Free on OBD DashX

P0104 on OBD DashX

Real-world causes, how often this code shows up, and the fix — step by step.

Open P0104 No sign-up needed · available in 10 languages

Search fault codes

Scan your own car

Read and clear fault codes, live data and service resets with the CaRPM app.