How Do You Diagnose A Bad Ignition Coil?

How Do You Diagnose A Bad Ignition Coil? Illuminated Check Engine Light. With most modern vehicles, a faulty ignition coil is enough to turn on the Check Engine Light. … Misfiring Engine. If an ignition coil is not working properly, your engine will likely misfire. … Hard Starts. … Worsening Gas Mileage. … Diminished Power.

Will Your Bike Crank With Bad Spark Plugs?

Will Your Bike Crank With Bad Spark Plugs? Spark plugs are another easy-to-check potential fix for bikes that won’t start. Like in other types of vehicles, symptoms of spark plugs gone bad can include a loss of power, bad gas mileage, engine misfiring, trouble starting the engine, and slow throttling. Can bad spark plugs cause