How Long Can You Drive On A Bad Ignition Coil Pack. Learn to do an ignition coil replacement yourself with YourMec

Learn to do an ignition coil replacement yourself with YourMechanic. In extreme cases, it can lead to a complete engine stall, leaving a vehicle stranded. In additio A bad coil can lead to more serious problems, such as damage to the catalytic converter, stress on the ECM, and excessive wear on other ignition components. Jul 28, 2025 · However, when the ignition coil goes bad, it can lead to various problems, including reduced engine performance, decreased fuel efficiency, and increased emissions. It puts stress on your engine, risks damage to your catalytic converter, and makes your car unreliable. Perhaps you have a Mercedes S600 which has a separate coil pack per bank. Immediate Driving Risks and Limitations The decision of how far to drive with a bad ignition coil must be framed by immediate safety concerns and the risk of stranding the vehicle. \n\nBefore installation, confirm engine model, mounting position, and air gap settings. if it detects a problem with an ignition coil, it will turn on the check engine light and log any related trouble codes. I've ordered 4 Bosch ignition coils but it'll take another 3 days to arrive.

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