CHEVROLET ENGINE MISFIRE

Hello! My Vehicle Listed Above Was Previously Misfiring Really Badly. I Replaced Spark Plugs And Ignition Coils. Mechanics Told Me My...

Only Getting 77% Compression On Cylinder One. Could This Be Cam Sensor?

New Cap, Rotor, Wires, Plugs, Cam Sensor, Crank Sensor, Mass Air Flow, Octane Booster, Sea Foam, Air Filter And Still A Bad Miss....