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Mitsubishi
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1999
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Eclipse RS L4-1997cc 2.0L DOHC MFI
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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Engine Control System
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DTC 21
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Malfunction Indicator Light Flash Code
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21 Slow Upstream HO2S During CAT Monitor
21 Slow Upstream HO2S During CAT Monitor
