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  1. Problems, Driver Warnings or DTCs - Gen 1 Volt
    I have been reviewing posts on the timming chain and on the P0300 error code that have been posted here, Primarily the three: (3) Random Misfire P0300 | GM Volt Forum ( (3) CEL P0300 error code - Random/Multiple Cylinder misfire | GM Volt Forum ( (3) 2012 P0300 Random...
  2. Problems, Driver Warnings or DTCs - Gen 1 Volt
    Hello all, Just recently bought a 2012 Volt (this past February) after reading tons of threads on this awesome site. I really like the car! Brief Rundown: 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...
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