Problems, Driver Warnings or DTCs - Gen 1 Volt
Just recently bought a 2012 Volt (this past February) after reading tons of threads on this awesome site. I really like the car!
170K on mostly the engine (30 lifetime MPG)
3 DTC Codes: P0131, P0137, and P0420
Changed Oil, Spark Plugs, and Air Filter
No mods except...