Change Air Cooler (CAC) low efficiency (DTC P026A) Exhaust Gas Recirculation (EGR) cooler low efficiency (DTC P2457) NOx sensor position 1 slow response (DTC P22F9) The hazards: if the ECM is unable ...
GM has issued a voluntary emissions recall for certain units of the 2021 through 2023 Chevy Trailblazer to address an issue with the crossover's engine control module, which may not properly clear an ...