Posted June 7, 20168 yr comment_496425 Check engine light does not flash when turn on. OBD 1 reader failed. Light bulb is good. ECU is good. Any ideas? Also I attached a Pix, Where does this plug connected? Is part of the Obd 1 connector? Link to comment https://www.classiczcars.com/forums/topic/55586-check-engine-light-failed-smog-failed/ Share on other sites More sharing options...
June 7, 20168 yr comment_496439 A 300ZX forum might be able to provide more information. Have you looked at http://www.xenonzcar.com to see if the FSM is available to get diagnostic info? Link to comment https://www.classiczcars.com/forums/topic/55586-check-engine-light-failed-smog-failed/#findComment-496439 Share on other sites More sharing options...
June 7, 20168 yr Author comment_496457 Thank you SteveJ Sent from my iPhone using Classic Zcar Club Link to comment https://www.classiczcars.com/forums/topic/55586-check-engine-light-failed-smog-failed/#findComment-496457 Share on other sites More sharing options...
June 8, 20168 yr comment_496500 Let us know what you end up finding out. We want to make sure someone else can get this info here as well. Link to comment https://www.classiczcars.com/forums/topic/55586-check-engine-light-failed-smog-failed/#findComment-496500 Share on other sites More sharing options...
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