Symptom | Suspect area |
Unable or hard to start engine | Vapor hose damaged or disconnected |
Engine hard to start | Malfunctioning Purge Control Solenoid Valve |
Rough idle or engine stalling | Vapor hose damaged or disconnected |
Malfunctioning PCV valve | |
Rough idle | Malfunctioning Evaporative Emission Control System |
Excessive oil consumption | Positive crankcase ventilation line clogged |