Tacoma 4WD L4-2.7L (3RZ-FE) (2004)
Engine Oil Pressure: Testing and Inspection
INSPECTION
1. CHECK ENGINE OIL QUALITY
Check the oil for deterioration, entry of water, discoloring or thinning.
If the quality is visibly poor, replace the oil.
Oil grade: API grade SL Energy-Conserving or ILSAC multi-grade engine oil.
2. CHECK ENGINE OIL LEVEL
After warming up the engine and then 5 minutes after the engine stop, the oil level should be 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.
NOTICE: Do not fill with engine oil above the full level mark.
3. REMOVE ENGINE UNDER COVER
4. REMOVE OIL PRESSURE SWITCH
Using SST, remove the oil pressure switch.
SST 09268-46021
5. INSTALL OIL PRESSURE GAUGE
Install an oil pressure gauge to an adaptor.
6. WARM UP ENGINE
Allow the engine to warm up to normal operating temperature.
7. CHECK OIL PRESSURE
Oil pressure
8. REMOVE OIL PRESSURE GAUGE