Mazda MX-3 silhouetteMX-3

FUEL SYSTEM

F2-111prose procedure

Fuel pump fuel pressure hold inspection

Fuel pump fuel pressure hold inspection

  1. 1
    Disconnect the negative battery cable.
  2. 2
    Connect a fuel pressure gauge between the fuel filter and main hose.
  3. 3
    Connect the negative battery cable.
  4. 4
    Connect the data link connector terminals F/P and GND by using a jumper wire.
    Two sub-figures side by side. Left: data link connector pinout with a jumper wire bridging GND and F/P terminals. Right: a fuel pressure gauge face reading 0-10 (in 100 kPa or kgf/cm2 units).
  5. 5
    Turn the ignition switch to ON for approx. 10 sec. to operate the fuel pump.
  6. 6
    Turn off the ignition switch. Wait for 5 min., and observe the fuel pressure.
  7. 7
    If not as specified, replace the fuel pump. (Refer to page F2-112.)
Specificationafter 5 min hold
More than 150kPa {1.5 kgf/cm2, 21 psi}

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