Could the problem be the module? What is a module?

Answer 1

the ignition control module,,it controls the firing of the engine it goes and it don't get any fire at all ,you need a good repair manual to tell you where all this stuff is,and what it does,,Haynes repair manuals are the best for this,,you,ll be surprised at how much you can learn from one,,good luck hope this help,s.

Answer 2

There are lots of modules, and lots of problems. What problem do you have? What kind of vehicle?