Symptom Troubleshooting (Engine/Fuel Control): Knocking/Pinging

Fig 1: Chart 10 Knocking/Pinging: Description

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Fig 2: Chart 10 Knocking/Pinging: Inspection (Step 1)

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Fig 3: Chart 10 Knocking/Pinging: Inspection (Steps 2-7)

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Fig 4: Chart 10 Knocking/Pinging: Inspection (Steps 8-11)

Courtesy of MAZDA MOTORS CORP.