Ohk i have been tryin to smog my 97 civic lx for a lil bit more then a week and i took it to the shop they cleared the check engine light but it comes back on they said its the spodomonor senser i kinda new that cos it tweaks it will work and then it wont.Is there a way i can fix that or do i have to take it to the shop??? please let me know so it can pass smog i miss drivin my civ ........