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• | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
• | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
• | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
The control functions for the fuel injection system are integrated in the engine control module (ECM). During the manufacturing process, each injector flow rate is measured and recorded as injection quantity adjustment flow rate data. This data, together with the injectors cylinder position, is stored in the ECM. When the ignition is turned ON, the ECM monitors the fuel injection flow rate numbers to ensure they are present.
The ignition is ON.
The fuel injector injection quantity adjustment flow rate data is not programmed.
DTCs P268A and P2696 are Type B DTCs.
DTCs P268A and P2696 are Type B DTCs.
Verify that the ECM has the correct part number for the application.
⇒ | If DTC is set, replace the K20 Engine Control Module. |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Engine Control Module Replacement for ECM replacement, setup, and programming
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