quicsam Posted November 20, 2008 Share Posted November 20, 2008 Greetings, USMB is a tremendous resource. Very good help, Thank you! I have been going around the bend on this one. Still have Check engine light on. 1989 GL wagon turbo full time all wheel drive. Disconnected battery to clear CE light. I get 0 long flash, 1 short flash. Haynes manual said it is Designation codes MPFI systems code 01 (MT, 49 States and Canada vehicle.) I dont know what this is telling me. I still have a random miss during idle that, sometimes shows up as slight miss or rough at idle. Link to comment Share on other sites More sharing options...
Skip Posted November 20, 2008 Share Posted November 20, 2008 pull the plastic cover down that is above you knees when driving find the black connectors (two single wire -one male one female) by the ECU Plug them together, turn the key to run (do not start the engine) watch the small round hole on the end of the ECU facing you and read the codes. Note this hole and it's LED is what is called the O2 monitor see this site - do not be fooled by the opening line about OBD II The site is for OBD I like you have. http://www.troublecodes.net/Subaru/ hope this helps Link to comment Share on other sites More sharing options...
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