Mechanic holding an ignition coil while working on an engine - Михаил Руденко/Getty Images Ignition issues can be a real pain to both diagnose and deal with. Sure, generally speaking, having a faulty ...

You're hunched over the engine with your wrist painfully contorted, wishing you were Mr. Fantastic. You've finally removed broken spark plug number four and then the intrusive thought hits. "Should I ...

We may receive a commission on purchases made from links. Is your car misfiring, having trouble starting, or idling rough? Are you wondering if the problem is one of your coil packs? If you're like ...