hi everyone, i have a 2008 hummer h2 sut that has a misfire on cylinder 7. it’s not enough to through a code but when idling or cruising at highway speed with low rpms around 1500 i can feel the misfire and the car feels like sputtering but when i press the gas pedal it goes away. i have changed the spark plugs, wires and put a new coil as well still same issue. did compression test and it has same compression as other cylinders. i did replace the injector with another cylinder and still no difference. the fuel pump is new and pressure is within factory specs.
i’m truly puzzled and any help will be appreciated .