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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 935 (Engine Controls And Fuel - 4.8L, 5.3L, 6.0L And 6.2L - DTC P0231 To DTC P1255) >> DTC P0351-P0358 >> Repair Verification

Repair Verification

WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Operate the vehicle within the condition for running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records. If DTC P0351-P0358 sets, then an IC circuit failure still exists.

IMPORTANT: An ignition system misfire condition can cause the 3-way catalytic converter to overheat under certain driving conditions.

Perform the following test:

  1. Operate the vehicle at 2,500 RPM, for 5 minutes.
  2. Operate the vehicle within the Conditions for Running DTCs P0420 or P0430. Refer to DTC P0420 or P0430 . If DTC P0420 or P0430 runs and fails, then diagnosis those DTCs.
  3. Clear the DTCs with a scan tool.
  4. Turn OFF the ignition for 1 minute.
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