FixVault

Fuel Pump Resistance & Operation

  1. Remove carpet, spare tire cover, spare tire and cover plate on trunk floor panel for access to electrical connector at fuel pump. Disconnect electrical connector from fuel pump.
  2. To test fuel pump resistance, use ohmmeter to check resistance between specified terminals on fuel pump. See Fig 1. Replace fuel pump if resistance is not.20-3.00 ohms at 68°F (20°C) on non-turbo models, or.10-3.00 ohms at 68°F (20°C) on turbo models.
    CAUTION: When testing fuel pump operation, DO NOT  apply battery voltage to fuel pump for more than 10 seconds or fuel pump may be damaged. When testing fuel pump operation, keep fuel pump away from battery as far as possible.
  3. To test fuel pump operation, apply battery voltage and ground to (+) and (-) terminals on fuel pump. See Fig 1. DO NOT  apply battery voltage to fuel pump for more than 10 seconds. Keep fuel pump away from battery as far as possible. Replace fuel pump if fuel pump does not operate.
Fig 1: Testing Typical Fuel Pump Resistance & Operation
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