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Here is my first post from a few weeks ago: [ http://twinturbo.net/net/viewmsg.aspx?forum=technical&msg_id=1115323&forum=technical&dtSearch=45 ] Steps I took: - Checked if TPS needed adjustment. Found to be @ .46v and no adjustment made.
- Replaced MAF with spare, problem still present.
- Leak checked with smoke machine, none found.
- Boost leak checked, None.
- Pulled TPS to clean, found lower mounting bolt missing. Opened TPS, found to be clean. Reinstalled with 2 mounting bolts. Test drove. Shifting is now accurate, and throttle response has greatly improved from idle. New spark plugs are on the way, and will verify fuel pressure to ensure no underlying issues remain.
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