Engine Lubrication: Testing and Inspection

2UZ-FE LUBRICATION: LUBRICATION SYSTEM:

ON-VEHICLE INSPECTION

1. CHECK ENGINE OIL QUALITY
(a) Check the oil for deterioration, water contamination, discoloration or thinning.
If the quality is visibly poor, replace the oil and filter (Replacement).
2. CHECK ENGINE OIL LEVEL
(a) Warm up the engine, then stop the engine and wait for 5 minutes.
(b) Check that the engine oil level is between the low level and full level marks on the dipstick.
If low, check for leakage and add oil up to the full level mark.

NOTE: Do not fill engine oil above the full level mark.

3. INSPECT AND ADJUST OIL PRESSURE
(a) Remove the oil pressure sender gauge (Removal).





(b) Install the oil pressure gauge.
(c) Warm up the engine.
(d) Inspect the oil pressure.
Standard oil pressure:





If the pressure is not as specified, check the oil pump (Testing and Inspection).
(e) Remove the oil pressure gauge.
(f) Install the oil pressure sender gauge (Installation).