I want to fix it myself
Q&AAsk Your Question
1992 Toyota Corolla
Question: It will not pass the california smog test plus there is no check engine light on
Answer #1Bret Bodas from RepairPal Test Shop, August 03, 2011, 15:13Master
What is the reason for the failure of the smog check?
Answer #2sarok August 14, 2011, 14:11Enthusiast
what are the numbers?? O2 CO2 CO HC NOx, I need to know the numbers at both 15 & 25MPH. also, are there any mechanical/compnent failures indicated on yoi VIR.