If the radio is still in the original car then you can phone up your local honda dealer and give them the car vin/registration number and they will tell you the unlock code.
my accord 92 wa working up untill we changed the thermostat. it cranks but does not want to start. ...
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my accord 92 wa working up untill we changed the thermostat. it cranks but does not want to start. there is no spark or fuel getting to the feul pump