How is the coil pack on a Ford Mustang controlled?
How is the coil pack on a Ford Mustang controlled? The coil pack is controlled by the PCM (powertrain control module) to deliver spark to the individual cylinders upon request. The coil pack eliminates the need for a traditional distributor and coil ignition system. Can a bad coil pack cause a misfire? There is more to your Mustang’s ignition system than just the coil packs. There’s also spark plugs and plug wires. There are also non ignition related circumstances that can cause a misfire. That would include lack of fuel pressure, bad fuel injectors, or even a timing chain (or...