Chevrolet Cobalt Service & Repair Manual: Emission Controls

Engine Management

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General Motors Co.

FIG. NO. BUICK: EVAP System & Canister: Centu ...

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Chevrolet Cobalt Service & Repair Manual. Description
This ignition system uses one coil for each pair of cylinders. Each pair of cylinders that are at Top Dead Center (TDC) at the same time are known as companion cylinders. The cylinder that is at TDC of its compression stroke is called the event cylinder. The cylinder that is a ...