RepairPal Certified shops can diagnose and repair your 2006 Chevrolet Colorado. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Hello, what is the rest of your first code? P030_?
P0135 relates to an oxygen sensor heater concern.
That first code could be more important, so respond back with the data for more information if you'd like.