Is your car misfiring, idles rough, or has trouble starting? You may have weak spark caused by a worn-out ignition coil. Or you may just need to clean up a spark plug. With the proper tools, it will ...

Ignition systems are sneaky little beasts. Diagnosing them correctly can be tough, because components often fail only under certain conditions, or act up intermittently. Off the car, they may look and ...

Automobile ignition systems have never been more reliable, but when not, how does one troubleshoot? and is it really an ignition issue? This simple test setup costs only about $1 and may easily be ...

How many times have you asked yourself, “I wonder if I can squeeze a few more horsepower from my enduring, yet horsepower-challenged engine?” To tell you the truth, there are lots of ways, but the ...