Diesel Data
: Automotive Repair
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NSX V6-3.0L DOHC (VTEC)
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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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P1491
P1491
[P1491]
The scan tool indicates Diagnostic Trouble Code (DTC) P1491: A malfunction in the Exhaust Gas Recirculation (EGR) system.
