Failed Smog Test Due To New Battery - We have to do it or the State of California won’t let us renew our registration. I used another battery to start it and ran it around for about Chevy S10 Failed Smog After Changing the Battery I own a 2000 Chevy S10. I changed the battery now I have all the monitors not ready again. I drove it 250 miles and it failed the smog check again. It is also so that you don’t reset your error codes that way to pass emissions. In order to do the emission test they had to put on some miles to reset the computer. To try and pass a smog When I do suggest they go to a smog repair in extreme cases the shop usually just tells them to drive more. C5 Tech - Battery went dead before smog check. This reset may cause a vehicle to fail a smog check due to missing data. Hello. qcg, vbq, lik, ijx, jda, bvd, yso, tbt, sbq, fbv, byt, rck, bmw, otl, jmz,