Engine Oil Contamination Inspection
- Check the engine oil level. The oil level should be between the min. and max. marking. Fill to the correct oil level.
- Warm up the engine to normal operating temperature.
- Install Scantool and note the "S/TERM FUEL TRIM(B1)" parameter on the Scantool data list.
- Disconnect and plug the positive crankcase ventilation
- Monitor the "S/TERM FUEL TRIM(B1)" parameter on the Scantool data list once again.
Specification : The value should remain more or less unchanged
- Is the displayed value within the specified value?
YES
- Go to SENSOR CONTAMINATION INSPECTION procedure.
NO
- The engine oil is diluted with fuel. Change the oil and oil filter and go to VERIFICATION OF VEHICLE REPAIR procedure.