Oil Pressure Test 3.5L EcoBoost
WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- With the vehicle in NEUTRAL, position it on a hoist. REFER to: Jacking and Lifting - Overview .
- Remove and discard the oil filter.
- Connect a GearWrench 3289 Oil Pressure Tester Kit or equivalent oil pressure gauge to the oil filter housing.
- Run the engine until normal operating temperature is reached.
- Run the engine at the specified rpm and record the gauge reading.
- The oil pressure should be within specifications, refer to the specification chart in the engine service information.
- If the pressure is not within specification, check the following possible sources:
- Insufficient oil
- Oil leakage
- Worn or damaged oil pump
- Oil pump screen cover and tube
- Excessive main bearing clearance
- Excessive connecting rod bearing clearance
- Chain tensioner leak
- Remove the commercially available oil pressure gauge.
- Install a new manufacturer-specified oil filter.
- Check and refill the oil as needed, using new manufacturer-specified oil.