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Message: <blockquote data-quote="bnr_32" data-source="post: 4502657" data-attributes="member: 11908"><p>yes this might be your problem.. one of tps (throttle position sensor) function is for idle speed control (ecu need to know 0% throttle = idling).. not too sure bout rb26 from bnr34 (i think should be the same laa.. bnr34 owner with pfc please look at your commander n comfirm this tq) but on bnr32 and bcnr33 rb26 the tps give approx. 0.5v when 0% throttle (accelerator pedal not pressed) and approx. 4v when 100% throttle (accelerator fully pressed).. so u need to get a multimeter and measure the voltage signal of your tps.. locate your tps sensor and you'll find there is 3 wires.. it should be 1 wire is for sensor ground.. 1 wire will give constant 5v to sensor.. and 1 more wire is the signal from the tps to the ecu and this is what u should check whether it send the right voltage when throttle fully closed and fully open.. if its not sending the right voltage then u need to loosen the sensor screw n rotate the sensor until u get 0.5v when the throttle is fully closed.. then hit the pedal so the thrrottle is fully open and measure back u should get approx. 4v.. try this method 1st and see whether your mfd reads 0% after that.. mfd is just a display what needs synchronization 1st is between sensor and ecu</p></blockquote><p></p>

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