Diagnostic Trouble Codes Troubleshooting

WARNING: This work must be performed in a well ventilated area and away from any open flames such as gas hot water.

DTC TROUBLESHOOTING

Step	Action	Yes	No
1	Was "Engine and Emission Control System Check" performed?	Go To Step 2.	Go to "ENGINE AND EMISSION CONTROL SYSTEM CHECK :".
2	Check EVAP canister purge system for operation referring to EVAP CANISTER PURGE VALVE INSPECTION .. Is check result satisfactory?	Go To Step 3.	Repair or replace.
3	Check fuel tank pressure and temp, sensor for performance referring to "FUEL TANK PRESSURE AND TEMP. SENSOR INSPECTION .". Is it in good condition?	Go To Step 4.	Replace tank pressure and temp, sensor.
4	Check tank pressure control valve for operation referring to FUEL TANK PRESSURE CONTROL VALVE INSPECTION . Is check result satisfactory?	Intermittent trouble or faulty ECM. Check for intermittent referring to "INTERMITTENT AND POOR CONNECTION INSPECTION ."	Replace tank pressure control valve.