CHECK FUEL PRESSURE.

WARNING:

Place “NO OPEN FLAMES” signs near the working area.

Be careful not to spill fuel.

1) Release the fuel pressure.

(1) Disconnect the connector from fuel pump relay.

(2) Start and idle the engine until the engine stalls.

(3) After the engine stalls, crank it for five more seconds.

(4) Turn the ignition switch to OFF.

2) Connect the connector to the fuel pump relay.

3) Disconnect the fuel delivery hose, and connect the fuel pressure gauge.

4) Install the fuel filler cap.

5) Start the engine and idle while gear position is neutral.

6) Measure the fuel pressure while disconnecting pressure regulator vacuum hose from intake manifold.

WARNING:

Release fuel pressure before removing the fuel pressure gauge.

NOTE:

If fuel pressure does not increase, squeeze fuel return hose 2 to 3 times, then measure fuel pressure again.

QUESTION

Is the measured value 284 — 314 kPa (2.9 — 3.2 kgf/cm2, 41 — 46 psi)?

Yes No

Repair the following item.

Fuel pressure is too high:

Clogged fuel return line or bent hose

Fuel pressure is too low:

Improper fuel pump discharge

Clogged fuel supply line