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.
1994 Chrysler LHSFACTORY OEM SERVICE PROCEDURE
Fuel Pressure Regulator
FUEL PRESSURE REGULATOR PERFORMANCE
| Application | (1) Pressure psi (kg/cm2 ) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1.8L & 2.0L Non-Turbo | |||||||||
| Vacuum Hose Connected | (2) 38 (2.7) | ||||||||
| Vacuum Hose Disconnected | (2) 47-50 (3.3-3.5) | ||||||||
| 2.0L Turbo | |||||||||
| Manual Transmission | |||||||||
| Vacuum Hose Connected | 27 (1.9) | ||||||||
| Vacuum Hose Disconnected | 36-38 (2.5-2.7) | ||||||||
| Automatic Transmission | |||||||||
| Vacuum Hose Connected | 33 (2.3) | ||||||||
| Vacuum Hose Disconnected | 41-46 (2.9-3.2) | ||||||||
| 2.2L & 2.5L TBI | 39 (2.7) | ||||||||
| 2.5L Flexible Fuel | |||||||||
| Vacuum Hose Connected | (3) | ||||||||
| Vacuum Hose Disconnected | 55 (3.9) | ||||||||
| 3.0L | |||||||||
| Vacuum Hose Connected | (3) | ||||||||
| Vacuum Hose Disconnected | 48 (3.4) | ||||||||
| 3.3L | |||||||||
| Vacuum Hose Connected | 46 (3.2) | ||||||||
| Vacuum Hose Disconnected | 55 (3.9) | ||||||||
| 3.5L | |||||||||
| Vacuum Hose Connected | 39 (2.7) | ||||||||
| Vacuum Hose Disconnected | 48 (3.4) | ||||||||
|
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Factory Service Tools
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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.
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