Removal Procedure Start By: Remove the hydraulic manifold that controls the combustion air valve. Illustration 1 g01880583 Note: Cleanliness is an important factor. Before the…

This code will trip if the automated ARD Air Valve Calibration sweep exceeds the calibration limits AND a failed regeneration occurs. The ARD Air Valve calibration is…

Diagnostic Trouble Codes that Affect the Aftertreatment System and the Conditions for Clearing the Code   The following tables list the codes that inhibit the…

System Operation Description: Use this procedure to troubleshoot a suspected problem with the soot sensing system. Use this procedure if a diagnostic code in Table…

System Operation Description: The Engine Control Module (ECM) monitors the current flow through the coils of the applicable components The ECM sets a diagnostic trouble…

System Operation Description: The exhaust gas that flows from the exhaust manifold is mixed with fresh air. The NRS meters the mixture of air and…

System Operation Description: Use this procedure to troubleshoot the following codes: Note: Component locations outlined in this procedure may not represent all applications. Refer to the…

System Operation Description: The ARD nozzle can become plugged with carbon or with debris. The engine is equipped with a system that cleans the nozzle.…

System Operation Description: The ARD nozzles can become plugged with carbon or with debris. The Engine Control Module (ECM) periodically tests the condition of the…

System Operation Description: Use this procedure to troubleshoot the following code. Note: Refer to Troubleshooting, “Cat ET Service Features” for information about service features. Note: Some of…