terrence 0 Posted January 12, 2010 Report Share Posted January 12, 2010 Does anyone know if an OBD II testing unit can be plugged into a '94 LS400? will the ECU for this car even output a compatible code? help.... Quote Link to post Share on other sites
1990LS400 126 Posted January 12, 2010 Report Share Posted January 12, 2010 You'll find the answer on the following webpage: http://www.lexls.com/tutorials/intro/codereading.html Quote Link to post Share on other sites
steve2006 5 Posted January 12, 2010 Report Share Posted January 12, 2010 1994 was the changeover year for the LS400 pre October 1994 will not have OBDII those made after will have. Quote Link to post Share on other sites
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