Emissions Control System: General: Troubleshooting
TROUBLESHOOTING SYMPTOM CHART
| Symptom | Suspect area | Remedy |
|---|---|---|
| Engine will not start or hard to start | Vacuum hose disconnected or damaged | Repair or replace |
| Malfunction of the Purge Control Solenoid Valve | Repair or replace | |
| Rough idle or engine stalls | Vacuum hose disconnected or damaged | Repair or replace |
| Malfunction of the PCV valve | Replace | |
| Malfunction of the evaporative emission canister purge system | 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 |