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Home >> Mazda >> 2008 >> 3 Mazdaspeed, 2.3 L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Symptom Troubleshooting [Engine Controls LF, L3)) >> Engine Control System Operation Inspection [LF, L3] >> Fuel Pump Control System Inspection

Fuel Pump Control System Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Crank the engine and verify that fuel pump relay operation sound is heard.
  2. If operation sound is not heard, inspect the following:
    • Fuel pump relay

      (See RELAY INSPECTION .)

    • Wiring harness and connectors (Main relay - fuel pump relay - PCM terminal 1 AR (with immobilizer system), 1AQ (without immobilizer system)
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