Symptom | Probable cause | Remedy |
Engine will not start or hard to start | Vacuum hose disconnected or damaged EGR valve is not closed Malfunction of the EVAP Canister Purge Solenoid Valve | Repair or replace Repair or replace Repair or replace |
Rough idle or engine stalls | Vacuum hose disconnected or damaged EGR valve is not closed Malfunction of the PCV valve Malfunction of the EVAP Canister Purge System | Repair or replace Repair or replace Replace Check the system; if there is a problem, check its component parts |
Excessive oil consumption | Positive crankcase ventilation line clogged | Check positive crankcase ventilation system |
Poor fuel mileage | Malfunction of the exhaust gas recirculation | Check the system; if there is a problem, check its component parts |
Engine hesitates or poor acceleration | Malfunction of the exhaust gas recirculation system | Check the system; if there is a problem, check its component parts |
