Ignition coil shorting out. com Did you just replace your burned out ignition coil to have your new one burn out too? Here is why! The leading cause of premature failure of an ignition coil is due to a worn or bad spark plug ignition cable. Rough Idle: Mar 25, 2006 · On my A4, the wire that went from the ignition power module to the coils rubbed through and shorted out, causing a coil to fail. See full list on swperformanceparts. That stupid wire is routed through between the intake manifold and the driver side head. I also checked the resistance from end to end unplugged on each of the wires and had low resistance on each one. The wires are in good condition with no breaks, melting or chaffing. Engine misfires and fouled spark plugs are telltale signs of ignition coil problems, but it’s important to note that . Sep 30, 2020 · I'm sure something is causing my coils to short out. it's not exactly cold there and plastic and PVC do get brittle over time. A bad spark plug ignition cable will have a much higher than normal resistance. I physically hand traced the wires from the ignition coil to the ECM, ground and fuse panel. Jun 1, 2024 · When an ignition coil shorts out, it can cause the following issues: 1. Jul 14, 2025 · Troubleshooting Coil Issues Since the coil’s primary job is to provide high-voltage energy to a vehicle’s engine regardless of whether it’s a canister-style single coil setup or a modern coil-on-plug design, the symptoms of a failing ignition coil are generally similar. Engine Misfires: A shorted ignition coil can result in engine misfires, as the affected cylinder (s) will not receive the necessary spark to ignite the fuel mixture. 2. awgsczo nnzdtvd qxntf knbsii jladok nnyebf gksxe jgcdjly avxta xluuz