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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 (Engine Control System & Fuel System - 4.6L - DTC P0016 To P0341) >> DTC P0171, P0172, P0174, or P0175 >> Repair Verification

Repair Verification

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT:
    • After repairs, use the scan tool Fuel Trim Reset function in order to reset the Long Term Fuel Trim values.
    • In order to ensure that the performance of the catalyst has not been affected by the fault that set this DTC, operate the vehicle within the conditions for running and setting DTC P0420 or P0430 and verify that DTC P0420 or P0430 runs and passes.
  1. Install any components or connectors that have been removed or replaced during diagnosis.
  2. Perform any adjustments, programming, or setup procedures that are required when a component or module is removed or replaced.
  3. Turn ON the ignition, with the engine OFF.
    4. IMPORTANT: DO NOT clear codes with the engine running. DTCs may reset in the same ignition cycle.
  4. Clear the DTCs.
  5. Turn OFF the ignition for 60 seconds.
  6. Start the engine.
  7. Duplicate the Conditions for Running the DTC and use Freeze Frame/Failure Records, if applicable, in order to verify the DTC does not reset. If the DTC resets or another DTC is present, refer to the Diagnostic Trouble Code (DTC) List - Vehicle and perform the appropriate diagnostic procedure.
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