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idle afr rich rb25

  1. Tuning, Technical Questions
    Only just joined this site.. Owned my r33 gtst for 6 months now and have to say is by far the best car i have ever owned :) after installing a wideband i realised my cars pig rich on idle and slow cruise ( 10.0 afr on idle and 11's cruising) which explains the 12mpg round town! I've done lots of...