Test NTC-3A - Checking Fuel Pressure
WARNING: This page is about a different car, the 1994 Plymouth Acclaim and 1994 Dodge Spirit. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
High fuel pressure may be present in fuel lines. Open fuel system with caution. See FUEL PRESSURE RELEASE
.
- Release fuel pressure. Connect fuel pressure gauge to fuel rail. Turn ignition on. Using DRB, actuate fuel system. Observe fuel pressure gauge. See FUEL PRESSURE SPECIFICATIONS table.FUEL PRESSURE SPECIFICATIONS
Application psi (kg/cm2 ) With Flexible Fuel 50-60 (3.5-4.2) - If fuel pressure is within specification, test is complete. If fuel pressure is more than specification, go to TEST NTC-3B. If fuel pressure is less than specification, stop actuation test. Turn ignition off.
- Inspect fuel lines for kinked or restricted lines. Repair fuel lines as necessary. Perform TEST VER-2. If no kinked or restricted lines exist, release fuel pressure. Remove fuel pressure gauge. Install fuel pressure gauge between fuel tank and fuel filter. Turn ignition on. Using DRB, actuate fuel system. If fuel pressure is at least 5 psi (.4 kg/cm2
) more than previously recorded pressure, replace fuel filter. Perform TEST VER-2
.CAUTION: DO NOT allow fuel pressure to exceed 60 psi (4.2 kg/cm2 ) when squeezing fuel return hose.
- If fuel pressure is not at least 5 psi (.4 kg/cm2 ) more than previous reading, gently squeeze fuel return hose while observing fuel pressure gauge, ensuring fuel pressure does not exceed 60 psi (4.2 kg/cm2 ). If fuel pressure increases, replace fuel pressure regulator. Perform TEST VER-2. If fuel pressure does not increase, replace fuel pump and sock assembly. Perform TEST VER-2.