You can (and should) actually read your spark plugs for valuable "clues" about how your engine is operating. To read your spark plugs, follow these steps: 1. When you get the first spark plug out of ...

Before you undertake any of this work, re-read the article "Deciding if you should do the job yourself," and if your vehicle fits even one of those descriptions, don't try to do the work in this ...

Engine behavior changes as spark plugs wear, with symptoms like misfires and rough idling. But what causes them to wear down in the first place?

Last night, my car, a 2001 Volkswagen Jetta, was in perfect working order when I parked it at the movie theater. When I came out two hours later and started the car, I heard a "pop" sound, and the ...

I recently had new plugs and wires installed in my '93 Chevy Cavalier V-6. After about 2,000 miles, I was driving home from my local grocery store when the car started making a horrible noise, ...