2017-10-10
Illuminated check engine light
Engine runs poorly or not at all
Rough idle or stalling
Reduced engine power or acceleration
Faulty mass or volume air flow sensor
Failed wiring or connections in the circuit
Loose or corroded electrical connections
Failed engine control module (ECM)
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
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
See which problems come with P0104, how often it shows up in other vehicles, and how to fix it — step by step. Free on OBD DashX, in 10 languages.
See P0104 on OBD DashX