gen3 3sgte iacv problem Options

[match220]

So I've narrowed down my previous post "gen III 3sgte runs for 5 seconds and shuts off" to the problem. The iacv isn't fully engaging and I can hear the solenoid clicking about 10 times a second because it can't turn the valve. I took the solenoid part off (held by two screws) and tried to manually turn the metal stub in the TB...it turns but it is hard to turn and there was a little rust build up. I'm not sure if the solenoid is old and worn and can't turn the valve, or if the valve is stuck because it's old and it can't be turned by the solenoid. Either way, it's not moving. I tried spraying some lubricant and it didn't seem to help. Is there a replacement part that I can use instead of the gen3 3sgte one? Or do I have to try to find a gen3 iacv? I didn't see the IACV in the gen3 parts list, but I thought I would ask anyway. Part number on the white solenoid part is 22270-74230. I have a 22270-74290 off of a 5sfe (either 98 camry or 95 celica) that I can play around with and I should have another one off of another 5sfe (either 98 camry or 95 celica). I read in another post that there is a 22270-74210 that will fit too. Have you guys tried swapping these out? Do they function the same even though the part numbers are different? And is only the solenoid swappable or is the valve part swappable too?

[delusionz]

i'd tested the signals coming from the stock gt4 ecu and it was definitely the middle pin carrying a +12v signal

the toyota/denso iscv for engines like ours (3s,4a,jz,etc) is one of a kind, others dont work like ours.

its called a 2 pole or 2 coil or something for our 3 wire iscv,

others use either 2 or 4 wires and have a single coil, its usually works very simply like a simple solenoid valve,

i hear people run into problems with older ecus that dont have an option to select what type of iscv is used, so they tend to customise their entire intake manifold, throttle body, and bypass ports and use a GM idle solenoid valve or similar. however i assume your autronic ecu is advanced enough to be able to program it to operate the way toyota originally operated the iscv...





YO after you got it freed up with carb cleaner, spray it down with wd40 as its all metal in there. the clearance isnt at all tight but still. i think thats the reason why it gets blocked too, is because the clearance is big enuff to let through dirt and oil

This post has been edited by delusionz: Mar 2, 2013 - 5:21 PM