What causes faulty coil pack?
Coils fail for a variety of reasons including heat, vibration, or issues on the secondary side of the ignition system. Worn secondary ignition components such as spark plugs or wires can cause a coil work harder, require more voltage, and therefore significantly reduce the operating life of the coil.
Can a bad coil pack cause a no start?
A faulty ignition coil can also lead to a no-start condition. If the coil fails completely, it will leave the engine without spark, which will result in a no spark, no-start condition. Problems with ignition coils are usually easy to detect as they produce symptoms that will be quite noticeable to the driver.
How much does it cost to replace a coil pack UK?
An ignition coil replacement generally costs between £70 and £220 with an average price of £150. Ultimately, the cost of replacing the ignition coil or an ignition coil pack depends on your car and what parts your car’s manufacturer recommends using for the replacement.