Envoy 2WD V8-5.3L VIN M (2005)
11. Disconnect the following electrical connectors on the left hand side of the engine:
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The evaporative emission (EVAP) purge solenoid (1)
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The knock sensor (2)
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The manifold absolute pressure (MAP) sensor (3)
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The main coil (5)
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The fuel injectors (4)
12. Remove the electrical harness from the clips on ignition coil bracket.
13. Remove the upper engine wire harness retainer nut (1).
14. Reposition the upper engine wire harness aside.