Quote:
Originally Posted by JimF
If the car is a '94 or earlier, the LED+SW combo should be there. It isn't a 'scanner' but it will read the Diag Module and give you an idea of what may be wrong.
If you are fortunate enough to have a scanner, then it is absolutely a great diagnostic tool.
One of the BEST ever made is the AST Retreiver which, unfortunately, is no longer being made. AST went to a PC based system. To me, that was a step backwards since you need to "drag" a laptop to the car in order to read codes. Seems like an overkill.
The "Retreiver" is self-contained system that is easy to use and gives "mercedes" type DTC explanations. Also could do LIVE data.
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The tool that I sell will allow you to read codes from the rest of the systems (not just the diagnostic module). My tool can't do live data (obviously) - but being able to read codes from the fuel injection, engine management, and other ancillary systems can provide you with a much better picture of why the "Check Engine" light is on.