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map sensor

  1. Engine Management, Tuning and Datalogging
    I've just recently had my Forester XT dyno tuned with a VF48 and all appropriate supporting mods. While it was on the dyno the MAP sensor was apparently dropping out over 16psi so the tuner has now put in a MAP sensor from an EJ205 WRX as opposed to my EJ255 as he couldn't source the actual...