Fs: Vq35De Motor (Suit Rebuild) & 5 Spd Auto Box
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I may have my math slightly wrong, I'm not double checking that again, but the factory spec for fuel pressure is to set it with the engine IDLING (in vacuum). That spec is 51PSi while idling. So now add +10psi for atmospheric, and +7 for 7psi of boost, and we need 68psi of fuel pressure at full noise, and 51psi idling. That's according to the FSM I found last night for M35. So MINIMUM fuel pressure should be 51psi and it climbs from there. -
Provided that what you see makes sense and is not "linear" between, say 1.9 and 2.1 volts and that's the whole range you get. You still need it to be doing one end of the 0-5v range at one end of travel, and the other end of the 0-5v range at WOT. -
By BASHERnissan · Posted
So just calibrate whatever voltage the closed position and full throttle position is and check linearity ? Sounds good to me -
By Dose Pipe Sutututu · Posted
go look at the live data, and slowly open and close the throttle, if it is moving in a linear fashion, just do a re-calibration. OR if you really want to, adjust the TPS position so it's under 1V (no need to be bang on a 0,45V, it's not a stock ECU), then recal. Job done, rip skids, post it here. -
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