ok i went back to jiffy lube were i use to work and i use their scanner and i ended up getting this codes P1491, P1300, P1399, do anyone know what those codes are?? i look in their code book but it would go up that high

 

https://honda-tech.com/zerothread?id=682412 (obd1 codes)

https://honda-tech.com/zerothread/1901557 (obd2 codes)

Have a ball

 

i've been searching around honda-tech and i can't fine, where the EGR valve is. Does anyone know where it's located. Pictures would be nice.

 

Unless you have a civic HX (or VX?) or the OBD2 JDM d15b, you do not have any sort of exhaust gas return (or recirculation) system as far as i know.

 

i have the HX civic