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Acura
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1999
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Integra LS Coupe L4-1834cc 1.8L 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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P Code Charts
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P1687
P1687
[P1687]
The scan tool indicates Diagnostic Trouble Code (DTC) P1687: A high voltage problem in the Air FI signal B circuit.
