Check engine light
#1
Check engine light
I just got long tubes put on my 1993 z28. The 02 sensors are in place but I blocked off the Egr. I drove it for a few days and my check engine light came on tonight . Is this from the egr delete?Or from not running a cat? Will a tune fix this?
Thanks
Thanks
#4
Ok thanks guys. Ill order a tune from pcmforless. Its a 93 so Ill have to order a chip. Thanks for the help. But why would the check engine light come on after 3 days and not right when they got put on?