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Buick
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2009
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Lucerne V6-3.9L
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Ignition Timing
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Number One Cylinder
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Locations
Number One Cylinder: Locations
NUMBER ONE CYLINDER
The left (front) bank cylinders are 2, 4, 6. The right (rear) bank cylinders are 1, 3, 5.
For ignition system firing order,
Firing Order
Service and Repair