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Home >> Chevrolet >> 1993 >> Blazer Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Basic Testing >> Basic Fuel System Checks (Diesel) >> Fuel Pump Flow Test
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Fuel Pump Flow Test

  1. Disconnect fuel line at fuel filter inlet. Disconnect fuel injection pump electric shut-off solenoid wire (Pink).
  2. Crank engine 15 seconds. If fuel pump does not supply approximately 1/2 pint of fuel in 15 seconds, go to appropriate FUEL SYSTEM PRESSURE TEST.
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