Deeron Posted November 2, 2017 Share Posted November 2, 2017 I just completed my first ever head gasket replacement on a '99 Legacy and of course the check engine light is on. I've searched extensively under the dash for the black connectors to read the CEL codes, but I haven't found. The green test connectors are there, but no black single pole connectors. I've used the flashing CEL to diagnose problems on my 90 legacy, and would like to do the same to find out what I may have done wrong on the '99. Are these connectors not available on the '99 or what am I missing? Quote Link to comment Share on other sites More sharing options...
987687 Posted November 2, 2017 Share Posted November 2, 2017 Your legacy has OBD2, just plug in a scanner. If you don't have one take it to an auto parts store. They'll usually scan the code for free in the hopes they can sell you a service. OBD2 scanners are also pretty cheap, you can get ones that connect to your phone for under $20. 1 Quote Link to comment Share on other sites More sharing options...
Mike104 Posted November 3, 2017 Share Posted November 3, 2017 By driver's left knee behind the panel marked OBDII Quote Link to comment Share on other sites More sharing options...
Deeron Posted November 3, 2017 Author Share Posted November 3, 2017 Thank you. I took it to a nearby mechanic to run the codes. Quote Link to comment Share on other sites More sharing options...
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