2017-10-10
Engine runs poorly
Illuminated check engine light
Decreased fuel efficiency
Excessive exhaust emissions
Malfunctioning exhaust valve control solenoid
Faulty wiring or connections in the circuit
Loose or corroded electrical connections
Failed engine control module (ECM)
Exhaust Valve: The exhaust gases after combustion are sent out of the engine through the exhaust valve. Problems lead to harmful emissions out of limit
Replace the exhaust valve control solenoid
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