Mike's Workshop Manuals
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Mazda
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1996
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MX-6 Base, Automatic
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Repair and Diagnosis
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Engine Controls - Tests W/Codes - 2.0L A/T
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Diagnostic Trouble Code Charts
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DTC P0420: Catalyst System Efficiency Below Threshold
DTC P0420: Catalyst System Efficiency Below Threshold
Fig 1: DTC P0420 (1 Of 4)
Fig 2: DTC P0420 (2 Of 4)
Fig 3: DTC P0420 (3 Of 4)
Fig 4: DTC P0420 (4 Of 4)