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Home >> Mazda >> 2004 >> 3 i, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting [Engine Mechanical] >> Engine Control System Operation Inspection >> Spark Test

Spark Test

  1. Disconnect the fuel pump relay.
  2. Verify that each ignition coil and connector is connected properly.
    3. WARNING:
    • High voltage in the ignition system can cause strong electrical shock which can result in serious injury. Avoid direct contact to the vehicle body during the following spark test.
    Fig 1: Inspecting Fuel Pump Control System
    G00975499Courtesy of MAZDA MOTORS CORP.
  3. Inspect the ignition system in the following procedure. See Fig 1.
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