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Obviously it's not that simple in terms of how it all works but I did say layman terms. Anyways, I wanted to highlight to you that although the two sensors basically have the same function, they operate in totally different ways. Also, the stalling blow off valve problem is something that is common with cars running AFM. I faced the same thing with my R33.
Yes, this throttle reading occur when I 1st bought this car, FconVpro is came together with this car too. At 1st i didn't notice until yesterday when I watch youtube "Trial tuning bnr34" only realize the throttle reading should be "0" when idle...... Too bad I can't drive out my car to check because in front of my house having huge excavation for drainage....[PIMPIN];4502593 said:
So you bought the car in this condition and so far its never been tuned? Very dangerous game you're playing my friend. Could cost you ten times more in the long run. I've never experienced your problem nor do I run your ECU but apparently you can calibrate the TPS sensor for the MFD. I've never had reason to try it though but if you're keen here's the link:
So you bought the car with this problem and since then it's been tuned but the tuner didn't find anything wrong while tuning? What other mods do you have and how much power you making?
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
For me the PFC sensor reading under the ETC menu is where I'd start but he's using F-Con for which I have no idea how to use, whether there is a CAMP display etc. Surely there has to be a way for him to retrieve that sort of info electronically; if the PFC which is cheaper does this why not the HKS.
let me guess.. today bro pimpin underwear is black rite???[PIMPIN];4502668 said:For me the PFC sensor reading under the ETC menu is where I'd start but he's using F-Con for which I have no idea how to use, whether there is a CAMP display etc. Surely there has to be a way for him to retrieve that sort of info electronically; if the PFC which is cheaper does this why not the HKS.
Your solution is by far the most accurate way of diagnosing the TPS but from what I gather these past few pages, it might be a bit too technical for him to attempt by himself and for some reason he won't take the car to a workshop. It's like talking to someone on the phone while trying to guess the color of their underwear - pure guessing game.
cabuttttttttttttt!!!!!!!!!!!!
Who said PIMPIN even owns underwear LOL.let me guess.. today bro pimpin underwear is black rite???
