What to do if a cylinder 6 misfire?
What to do if a cylinder 6 misfire? Replace the faulty spark plug or replace all spark plugs as a set if failure was due to a worn out plug. Replace the leaking valve cover gasket then replace the failed coil, plug wires, and plugs. Replace the ECM for a bad circuit that powers the fuel injector or coil for number 6. What is the trouble code for cylinder 6? P0306 is a diagnostic trouble code (DTC) for "Cylinder 6 Misfire Detected". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code...