Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
emmis.1 (17)is the upstream emmis.2 (20)is for the downstream.
The Dtc is for the upstream o2 the one closest to the manifold.
If you replaced sensor 2 it will not correct the p0030
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How is the equinox going?
Gotta love working for free Thanks