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Honda
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2000
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Prelude Type-SH L4-2156cc 2.2L DOHC (VTEC) 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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P Code Charts
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P0138
P0138
The scan tool indicates Diagnostic Trouble Code (DTC) P0139.:
A slow response problem in the Secondary Heated Oxygen Sensor (Secondary HO2S) (Sensor 2) circuit.
