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Home >> Audi >> 2002 >> S4 Quattro, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 2.7L Turbo >> Diagnostic Tests >> DTC P1423/17831 >> Notes

DTC P1423/17831: Notes

NOTE: Bank 1 is right (passenger) side of engine.

  1. DTC P1423/17831

    Bank 1 Secondary Air Injection System - Flow Too Low
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