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#46
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Jon, Idle Air Control Valve. The IACV is actually bolted on to the underside of the TB. It has a dedicated air line and electrical connector. You can see it easier if you look from the driver's side of the engine bay. Don't bother trying to keep the engine running if you pull the air intake off of the TB. Once you've pulled the air intake off you've taken the MAF out of the control loop and the ECU isn't going to know what to think Just go ahead and use a clean shop rag to wipe out the TB after you've sprayed it. As far as cleaning the IACV, you've really only got two choices - take it off and clean it or spray cleaner down its air feed hose. -Bill
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Retired NASA Rocket Scientist Most famous NASA "Child" - OSIRIS-REx delivered samples from asteroid BENNU to Earth in Sept. 2023 Center Network Member #989 '92 Fully caged, 5 speed, waiting for its fully built EG33 '92 "Test Mule", 4:44 Auto, JDM 4:44 Rear Diff with Mech LSD, Tuned headers, Full one-off suspension '92(?) Laguna, 6 spd and other stuff (still at OT's place) My Locker |
#47
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I'm not taking anything apart today, it's too cold outside. If I can reach it I'll take the hose off the IACV and spray some cleaner in there a little later. If that doesn't work I'll take everything apart when it warms up a little.
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#48
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I lied, I took everything apart today.
Here's a tip: Rubber hoses don't do well at 35 degrees. I snapped two of them, one that connected to the top drivers side of the throttle body and one that connected to the drivers side of the air intake. Tomorrow I have to figure out where they went and order them. Good news though, when I got the IACV off and cleaned it a big chunk of dirt fell out. I think that was clogging it and I'm hopefull it will fix the problem. The throttle body was also pretty clean, I'll clean it out tomorrow though. Where's a good place to get hoses? |
#49
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You can just get a length of Viton tubing for the line to the top of the TB (or the prepackaged lengths at Advance Auto). Sounds like you also broke the PCV hose that goes over to the top of the valve cover. You'll need to go to Subaru for this hose. Try Annapolis Subaru - ask for Jackie (443-837-1422) and make sure to mention you're a member of the SVX Network, she should give you a discount. -Bill
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Retired NASA Rocket Scientist Most famous NASA "Child" - OSIRIS-REx delivered samples from asteroid BENNU to Earth in Sept. 2023 Center Network Member #989 '92 Fully caged, 5 speed, waiting for its fully built EG33 '92 "Test Mule", 4:44 Auto, JDM 4:44 Rear Diff with Mech LSD, Tuned headers, Full one-off suspension '92(?) Laguna, 6 spd and other stuff (still at OT's place) My Locker |
#50
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I was going to repair the hoses with duct tape for today and then take pictures to try to identify them and order replcement parts. |
#51
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All that jazz and it's still not fixed, just took it for a test drive and it stalled out on my twice once it was warmed up. Just like before it happened when I was coming to a stop. Now I'm back to MAF Sensor as the main suspect. I guess I'll order one and if that fixes the problem then I'm golden. If not then we'll see.
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