im getting a check engine light sparaticly. problem is when i jump it to check code its not showing one it just turns off then when i taake the jumper off it comes back on. if i turn car off it dissapears for a few days then will eventually come back. is the another way to check for codes or has anyone had this problem? my set up is, 95 civic cx p28w/hondata s200, b20vtec rs 84.5 itr pistons stock head hytec replica big tube header. dont know if it would effect it but it has a jdm cluster. any ideas?

 

try a different ecu