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Home >> Isuzu >> 1983 >> Impulse Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Pump - Electric >> Testing >> Pressure Test

Pressure Test

CAUTION: The fuel line is under pressure. When installing an in-line fuel pressure gauge, caution must be used when disconnecting fuel lines.
  1. Install fuel pressure gauge between the pressure regulator and fuel distributor pipe. Unplug the vacuum switching valve at the connector.
  2. Vacuum switching valve is located on right side fender below ignition coil. Start engine and measure fuel pressure. Pressure should be 28.4 psi (2.0 kg/cm2 ).