2017-10-10
Illuminated check engine light
Poor engine performance
Decreased fuel efficiency
Engine may not start or may stall during operation.
Failed fuel composition sensor
Faulty wiring or connections in the circuit
Loose or corroded electrical connections
Failed engine control module (ECM)
Fuel Composition Sensor: Fuel composition sensor monitors the composition of the fuel (ethanol%, methanol% etc) that is being used for combustion. Problem leads to poor fuel economy
Replace the fuel composition 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 P0176, how often it shows up in other vehicles, and how to fix it — step by step. Free on OBD DashX, in 10 languages.
See P0176 on OBD DashX