Use APKPure App
Get OBD 1 Code Online old version APK for Android
DIY OBD Diagnostic Guide For OBD 1 Supported Vehicle even without the OBD Tools
This application is design to help those new generation mechanic to fix the Check engine problem of the old cars.
The Fact the new diagnostic tool have a limitation to read or retrieve the trouble code inside the ECU (Engine Control Unit)
Warning: DO IT AT YOUR OWN RISK.