Yukon XL 2500 4WD V8-6.0L VIN N (2006)
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Main coil (2)
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Fuel injectors
9. Remove the harness clips from the fuel rail (1).
10. Reposition the engine wire harness aside.
11. Perform the following steps in order to disconnect the fuel injector electrical connectors.
1. Mark the connectors to their corresponding injectors to ensure correct reassembly.
2. Pull the connector position assurance (CPA) retainer (2) on the connector up 1 click.
3. Push the tab (1) on the connector in.
4. Disconnect the fuel injector electrical connector.
5. Repeat the steps for each injector electrical connector.
12. Remove the positive crankcase ventilation (PCV) hose.
13. Disconnect the fuel feed pipe (1) from the fuel rail.
