: Moderate . While it usually won't stop your car from driving, it will cause you to fail an emissions test and can lead to lower fuel economy or a faint fuel odor near the back of the car. Common Symptoms
Frayed, broken, or shorted wiring leading to the EVAP system, or corroded connectors. Purge Control Solenoid:
Corroded or loose electrical connections that prevent proper communication between sensors and the computer. Sensor Failure:
: Moderate . While it usually won't stop your car from driving, it will cause you to fail an emissions test and can lead to lower fuel economy or a faint fuel odor near the back of the car. Common Symptoms
Frayed, broken, or shorted wiring leading to the EVAP system, or corroded connectors. Purge Control Solenoid: smart p2403.40h
Corroded or loose electrical connections that prevent proper communication between sensors and the computer. Sensor Failure: : Moderate