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Chevy Truck
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2007
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Colorado 2WD L5-3.7L
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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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 cylinders are numbered 1 through 5 starting from the crankshaft pulley.
For ignition system firing order,
Firing Order