INNOVA 3165 Chrysler Code Reading System Booklet Easy-to-use system helps determine the case of the "check engine" warning light This booklet clearly explains the fault code definitions with detailed probable causes For use with most fuel injected Chrysler, Dodge and Plymouth cars from 1983 to 1997, and Jeeps from 1993 to 1997 A code reader is required (not included) to retrieve these codes and to fix the problem