Originally Posted by
zxsuxr
check engine lights aren't a big deal.
Unless it they are flashing or you notice a significant decline in power while illuminated.
It is not a big deal. It depends.
If I travel with someone (like this trip), I must get a replacement. I do not want others strand in the middle of nowhere.
If I travel alone, I should be fine except "flashing check engine light" or " a significant decline."