Cylinder 4 location on 2003 3.0 ford?
The 2003 Ford 3.0L engine (specifically the Cologne V6) uses a firing order of 1-5-3-6-2-4. Therefore, Cylinder 4 is located on the passenger side (right side in a right-hand drive vehicle) towards the rear of the engine. It's important to remember that engine bay layouts can vary slightly depending on the specific vehicle model, but this is the general location.