check engine light

how do i get the check engine light read? how do i know what code im dealing with, seems like most of the auto stores cant read 92's, thanks to anyone that can explain lol /ubbthreads/images/graemlins/confused.gif

 

[Armitage]

An invaluable tool for any DSM/GVR4 owner is a PocketLogger.

You can also pick up a free tool like MMCD or Tunerstein and buy a cable on eBay for cheap:
click

They'll let you view the stored errors and clear them.

 

[Hertz]

You can read the code with a voltmeter, lamp or buzzer. click