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Close up of a GMC V6 3.6L engine cutout to show the spark plugs, valves, and cylinders inside with DFM (Dynamic Fuel Management)

Close up of a GMC V6 3.6L engine cutout to show the spark plugs, valves, and cylinders inside with DFM (Dynamic Fuel Management)

Ernest Martynyuk

An automotive enthusiast who's been tinkering with vehicles since I was 15-years old. Repairing automotive electronics has been my main job for over a decade now and have a passion for everything technical regarding cars.

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