I had issues with misfires for a bit, found that the coil pack insulators were breaking down, and also noticed the rubber gasket in the coil. Haven’t noticed any coolant loss This guide helps you diagnose and fix a cylinder 3 misfire—covering causes, symptoms, and step.
Cylinder 3 Misfire: Fixing the P0303 Error Code
Learn to test spark, fuel, and compression.
Error code p0303 indicates a misfire in cylinder 3, most commonly caused by a bad spark plug, faulty ignition coil, or fuel.
Dtc p0303 indicates a misfire detected in cylinder 3 of the engine Three times in the last month, upon start up, i get the p0303 misfire code on cylinder 3 and the subsequent cylinder. The engine control unit detected a condition consistent with **cylinder 3 misfire**. I may be new to this forum but i am no.
Hoping to get a little insight here I have an 04 1.8t 6. Decode the meaning of the p0303 diagnostic trouble code, which signals a misfire in cylinder 3 3 is the one closes to the firewall on the passenger side
Swap that coilpack with with lets say cylinder 1 and see if the.
2013 s4 with 65k miles got a p0303 code, cylinder 3 misfire Valve cover gasket and spark plugs changed ~2k miles ago 2013 s4 with 65k miles valve cover gasket and all spark plugs changed ~2k miles ago