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> gen3 3sgte iacv problem
post Mar 2, 2013 - 7:00 AM
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match220



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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?


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-Jay

95 GT conv. project car: Manual, Gen III 3sgte, JN pisons, Eagle rods, overbore, crank knife-edged, crank scraper, ARP head/main/flywheel, Autronic EMS, Haltech Dual Wideband O2 controller, Audi 1.8T individual coils, FMIC and SSQV BOV, 3" downpipe, 3" ultra-high-flow cat, 2.5" Borla muffler, +other
01 S2000: FMIC, Haltech EMS, Haltech wideband, 570cc inj, forged pistons/rods, sleeved block, 5 angle valve job, ported and polished
02 R6, all stock, except for braided stainless brake lines, frame sliders, and adjustable brake/clutch leve
 
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post Mar 2, 2013 - 10:22 PM
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match220



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Joined May 13, '06
From Kaimuki, HI
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I've just cleaned the IACV/ISCV, and it still clicks on and off about 10 times a second. What are the settings for it in your power fc? I've tried reversing the polarity of the wires coming from the ecu to it, so I switched the + and - and left the main 12v wire the same. Still clicks like crazy. The other part number from the 5s iacv/iasv works but the holes are slightly farther apart, just enough so it doesn't screw in, the spring is weaker on the inside of the valve body too. But when I set it in place the solenoid rattles just like the 3s one. And the opening flaps like it is supposed to, it just does it extremely fast.


--------------------
-Jay

95 GT conv. project car: Manual, Gen III 3sgte, JN pisons, Eagle rods, overbore, crank knife-edged, crank scraper, ARP head/main/flywheel, Autronic EMS, Haltech Dual Wideband O2 controller, Audi 1.8T individual coils, FMIC and SSQV BOV, 3" downpipe, 3" ultra-high-flow cat, 2.5" Borla muffler, +other
01 S2000: FMIC, Haltech EMS, Haltech wideband, 570cc inj, forged pistons/rods, sleeved block, 5 angle valve job, ported and polished
02 R6, all stock, except for braided stainless brake lines, frame sliders, and adjustable brake/clutch leve

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