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cobalt total shut-down

  1. Cobalt Total Shut-Down While Driving

    Problems and Service
    Has Anyone been able to pinpoint this problem, i just bought this car a few weeks ago 114k miles ls coupe seems to be a lemon now... had a p0420 code fixed that at a shop, but now it will jerk and die while driving like on the highway last night coming home driving as normal not speeding or...