Pinpoint Test B: Check The Fuel System Pressure

B1: CHECK THE PUMP ACTIVITY
1. Remove the rear seat cushion. REFER to: REAR SEAT .
2. Set ignition status to ON, engine OFF.
3. Listen for pump noise.
Can the fuel pump be heard running?

Yes : GO to B2.

No : CHECK for DTCs and symptoms indicating another cause for the problem.
B2: CHECK THE FUEL SYSTEM PRESSURE
WARNING: This procedure involves fuel handling. Be prepared for fuel spillage at all times and always observe fuel handling precautions. Failure to follow these instructions may result in personal injury.
1. Make sure the vehicle is in Park and apply the parking brake.
2. Set ignition status to OFF
  NOTE: Place suitable absorbent material around the Schraeder valve to absorb any spillage when connecting the gauge set.
3. Connect adapter 310-162 and gauge assembly 310-116 to the fuel Schraeder valve. Remove the absorbent material and dispose of safely.
4. Disconnect and plug the vacuum hose from the pressure regulator.
5. Open the valve on the fuel pressure gauge and adapter 310-116/162.
6. Set ignition status to ON, engine OFF.
7. Record the fuel pressure reading.
Is the fuel pressure 3.6 - 4.2 bar (52.2 - 60.9 lb/in² )?

Yes : GO to B3.

No : CHECK for DTCs and symptoms indicating another cause for the problem.
B3: CHECK THE FUEL SYSTEM PRESSURE WITH THE ENGINE CRANKING
1. Apply footbrake and press start button.
2. Record the fuel pressure reading when engine cranking.
Is the fuel pressure 3.6 - 4.2 bar (52.2 - 60.9 lb/in² )?

Yes : GO to B4.

No : CHECK for DTCs and symptoms indicating another cause for the problem.
B4: CHECK THE FUEL SYSTEM PRESSURE WITH THE ENGINE IDLING (WHERE POSSIBLE)
1. With engine running.
Is the fuel pressure 3.6 - 4.2 bar (52.2 - 60.9 lb/in² )?

Yes : CHECK for DTCs and symptoms indicating another cause of the problem.

No : CHECK the fuel pump module power and ground circuits.