I would suggest doing a sensor test in diagnosis to check the throttle angle only so no need to disconnect the Fuel Pump as instructed: http://www.rswarrior.com/forums/topic.asp?TOPIC_ID=49924 DI 01 - THROTTLE POSITION SENSOR: TWIST THROTTLE, VALUE = : CLOSED =15 - 20, OPEN = 95 - 100 I replaced my TPS...