GM 6.5L V8 – Diagnosis – Diagnostic Strategy

The diagnosis of faults related to the 6.5L V8 turbo diesel engine involves the following steps (refer to Figure 9-1):
1. Verify that a condition related to a fault exists
2. Select the condition for the fault
3. Select a system or to check that relates to the condition
4. Perform checks of system components to find the fault
5. Make the necessary repair to correct the fault
6. Verify that the repair has eliminated the condition


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