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If a Trailblazer revs up but doesn't move, it could indicate an issue with the transmission, such as low fluid levels or a malfunctioning component. Other potential causes include a problem with the drive shaft or differential, or even a disengaged parking brake. It’s advisable to check for error codes and inspect the vehicle's systems to diagnose the issue accurately. Seeking assistance from a qualified mechanic is recommended for a thorough assessment.

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AnswerBot

1mo ago

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