Question: I have a 2006 Kia Sedona, and it randomly misfires roughly once for every week of normal driving and once after each carwash. When it happens, I pull over and shut off the car. Then, I turn ...

An ignition coil takes voltage from the battery and multiplies it to create a spark at the spark plugs, which in turn ignites the engine. Cars have been using some form of the coil ignition system for ...

We’re obviously not talking about a jammed semi-automatic or dud ammo, but an engine misfire is fundamentally the same thing. A cylinder supposedly filled with compressed air and fuel—akin to ...

Just like spark plugs, ignition coils can wear down and become faulty over time. There are many common signs that an ignition coil is getting bad, but one obvious sign is an engine misfire, typically ...

When I attended technical school studying automotive service technology many years ago, among the first things my instructor taught us was the basic principles of how an engine works. These principles ...

Q: About two years back, my engine began to shudder and lose power at times. My trusted mechanic quickly determined the cause was a defective ignition coil and replaced it. All has been fine until ...

QI have a 1997 Infinity Q45 with 103,000 on it. It recently developed a problem that sounds similar to the Camaro problem you just addressed. My car does not stumble on acceleration or while at cruise ...

A misfire indicates there’s something wrong with what keeps a car’s combustion process going. Here’s what it could be, and how to avoid it. Every internal combustion engine, like those in a car, needs ...

Paging through an ignition catalog reveals all sorts of different ignition coils for conventional distributor-type ignition systems. To say it's a mite confusing is an understatement!Just how does an ...

Q: I have a 2002 21-foot motorhome on a 3500 Chevrolet frame with a 5.7 engine. It now has 95,000 miles. At about 85,000 miles, the engine started losing power at driving speed. At first the engine ...