IslandBoy

Hi I'm trying to override the factory boost solenoid thingy. I cannot find the solenoid, I have an SII r33 rb25det in a 240sx. I want to ground the solenoids ground wire permenatly as done in the DIY section, however I cannot find an ecu pinout that shows exactly which wire it is. Can anyone tell me where this darn wire is? Thank you!

Problem fixed, both knock sensors were not plugged in, the damn shop.

Or the knock sensor could be bad as well. Where is the VVT solenoid at? I'm going to get a timing light later today and check the timing. What is a direct replacement for a knock sensor?

Yeah, i have an sr20 240 too. I am aware now there are two knock sensors so it could be either one.. How can i check which one is bad? By testing the continuity? Is there any way of disabling knock sensors"?

Well good news, checked error codes, retrieved code 34, which I assume is bad knock sensor. I reset the ecu then drove for 30secs and code returned, so It has to be bad. My question now is, where is the knock sensor located on the SII Rb25DET Engine and what is a direct replacement/interchaneable part I can use? Will a 300zx or KA24DE or Sr20DEt/DE work? Thanks.

Hey, recently put an RB25DET in my 91 240sx. Has multiple little problems, but the one I want to focus on now is some sort of power loss problem. Has FMIC, Walbro 255LPH, Exhaust, Adjustable FPR, Intake Since I got the motor put in the car it would pull fine Sometimes (1st gear and 2nd gear) ... now it just goes under full boost and makes no power, and hesistates. It also bucks some too. Ive checked boost leaks, and it has new o2 sensor and plugs... I'm really lost.. The problem gets worse the more I drive the car. Its almost liek the vtc isnt enabling? its a SERIES II btw. Also what is factory base fuel pressure for this motor? Any suggestions/help is much appreciated!