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  1. 1st gen. No CEL or codes. Only revs to 3500 rpm.

    Basic Help & Repair
    2 months ago I bought an IS from a family friend. I've had no issues until 2 days ago. I was driving to work and the car just seemed really down on power, i turned the car off and she was definitely bogging down, it did not want to go over 3500 rpm and topped out around 35mph. So like any...