Ross Hubbard Posted May 19, 2013 Report Share Posted May 19, 2013 Hi, Im trying to tune a 4age with ITB's with TPS only on a G1 V5. I have got the engine starting and idling OK but the 'ACCEL' fuel seems to be activating on its own when ever I start trying to move to different rows on the map. Its also coming on and off during idle (without any throttle manipulation). TPS is set up correctly with the correct range. Is this a common symptom of a faulty TPS? or possibly a wiring issue? Also, the system voltage at idle on the PC link is approximately 13.3 volts (14.1 across the battery terminals) Could this lower voltage affect the 5 volt TPS-in? Quote Link to comment Share on other sites More sharing options...
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