Emissions Control System: General: Troubleshooting
TROUBLESHOOTING CHART
| Symptom | Probable cause | Remedy |
|---|---|---|
| Engine will not start or hard to start | Vacuum hose disconnected or damaged Malfunction of the EVAP Canister Purge Solenoid Valve |
Repair or replace Repair or replace |
| Rough idle or engine stalls | Vacuum hose disconnected or damaged Malfunction of the PCV valve Malfunction of the evaporative emission canister purge system |
Repair or replace Replace Check the system; if there is a problem, check related components parts |
| Excessive oil consumption | Positive crankcase ventilation line clogged | Check positive crankcase ventilation system |