Emission Control System: General: Troubleshooting
PROBLEM SYMPTOM TABLE - EMISSIONS CONTROL SYSTEM
| Symptom | Suspect area |
|---|---|
| Engine will not start or hard to start | Vacuum hose disconnected or damaged |
| Malfunction of the EVAP Canister Purge Solenoid Valve | |
| Rough idle or engine stalls | Vacuum hose disconnected or damaged |
| Malfunction of the PCV valve | |
| Malfunction of the evaporative emission canister purge system | |
| Excessive oil consumption | Positive crankcase ventilation line clogged |