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.
Line Pressure Specification Chart - 3.9L Engine
2003 Ford Windstar BaseSECTION Line Pressure Specification Chart - 3.9L Engine
WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
LINE PRESSURE SPECIFICATION CHART - 3.9L ENGINE
| Range | Idle Pressure | WOT Stall Pressure | ||
|---|---|---|---|---|
| PC C | Idle | PC C | Idle | |
| P/N | 0-69 kPa (0-10 psi) | 483-620 kPa (70-90 psi) | 0-69 kPa (0-10 psi) | 483-620 kPa (70-90 psi) |
| R | 345-414 kPa (50-60 psi) | 689-827 kPa (100-120 psi) | 2,151-2,289 kPa (312-332 psi) | 2,151-2,289 kPa (312-332 psi) |
| D5 | 0-69 kPa (0-10 psi) | 689-827 kPa (100-120 psi) | 0-69 kPa (0-10 psi) | 1,482-1,620 kPa (215-235 psi) |
| D4 | 0-69 kPa (0-10 psi) | 689-827 kPa (100-120 psi) | 0-69 kPa (0-10 psi) | 1,482-1,620 kPa (215-235 psi) |
| M5/M4 | 0-69 kPa (0-10 psi) | 689-827 kPa (100-120 psi) | 0-69 kPa (0-10 psi) | 1,482-1,620 kPa (215-235 psi) |
| M3 | 0-69 kPa (0-10 psi) | 689-827 kPa (100-120 psi) | 0-69 kPa (0-10 psi) | 1,482-1,620 kPa (215-235 psi) |
| M2/M1 | 0-69 kPa (0-10 psi) | 689-827 kPa (100-120 psi) | 0-69 kPa (0-10 psi) | 1,482-1,620 kPa (215-235 psi) |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.