Camry Wagon V6-180.5 2959cc 3.0L DOHC (3VZ-FE) (1993)
Measuring System Pressure
- Turn the ignition switch ON.
- Measure the fuel pressure.
Fuel pressure:
265-304 kPa (2.7-3.1 kgf/cm2, 38-44 psi)
- If pressure is high, replace the fuel pressure regulator.
- If pressure is low, check the following parts:
^ Fuel hoses and connection
^ Fuel pump
^ Fuel filter
^ Fuel pressure regulator
^ Injector
- Remove jumper wire.
- Start the engine.
Checking Pressure - No Vacuum To Regulator
- Disconnect the vacuum sensing hose from the fuel pressure regulator, and plug the hose end.
- Measure the fuel pressure at idling.
Fuel pressure:
265-304 kPa (2.7-3.1 kgf/cm2, 38-44 psi)
Checking Pressure - Vacuum To Regulator
- Reconnect the vacuum sensing hose to the fuel pressure regulator.
- Measure the fuel pressure at idling.
Fuel pressure:
226-265 kPa (2.3-2.6 kgf/cm2, 33-37 psi)