Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2021TRANSIT-350 HD BASE, VAN CARGO EXTENDED, 3.5L ENG VIN 8, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 349 (ENGINE SYSTEM - GENERAL INFORMATION)DIAGNOSIS AND TESTINGENGINEOIL PRESSURE TEST 3.5L ECOBOOST
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWD
Oil Pressure Test 3.5L EcoBoost
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWDSECTION 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.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.