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  1. 2007 Black GXP

    2007 Black GXP

  2. P0238 and P0098 , sporadic loss of power

    Solstice GXP Discussion
    Hey folks. A while ago, I had to take my car to a mechanic and they had my wastegate replaced. The code was P0299 (underboost) and the symptom was a huge lack of power and boost. After having the wastegate replaced, the issue I started having immediately was that power would cut out...