IACV question SOLVED
I had a surging idle on cold starts, P0505 code. I pulled the IACV valve and inspected it. This is a BOSCH unit that looks original to the truck.
I had plenty of carbon build up so I sprayed some throttle body cleaner in both holes and now the flaps pretty much turn free as you rock the unit side to side. my question is are the baffles/flaps supposed to move that free? It’s as if they aren’t connected to anything. Thanks. |
No one has any IACV experience?
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been a while since i pulled mine, but i believe it did move freely. i have no idle issues.
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I have a couple good IACVs and once cleaned, they flap freely like that. I think they must be voltage sensitive to determine how they open/close.
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Thanks!
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Solved
I figured out the surging idle and the IACV code. I will probably start another thread about this because it has to do with another modification I had done earlier.
While trying to solve the surging idle and IVAC code I was reading posts from every LR forum I could find. I found a thread about surging idle and the fix was the oil separator valve which I had REMOVED during my last head gasket install. I removed it after reading a thread about this valve allowing too much pressure to build up and causing valve cover leaks( thats what I understood anyway), I also replaced the plastic connector at the intake that the hose from the valve cover connects to with a brass fitting. I installed a new oil separator and the surging idle is no longer happening and the IACV code has not returned. Glad to be able to post a solution. I hope this helps someone else and thrilled it cost less that $10! https://cimg8.ibsrv.net/gimg/landrov...d2b1839bcb.png |
Or do the PCV mod.
https://landroverforums.com/forum/di...4x4-mod-92942/ |
Originally Posted by Harvlr
(Post 895377)
Or do the PCV mod.
https://landroverforums.com/forum/di...4x4-mod-92942/ |
Yeah that’s the mod I did. If you read my follow-up post I replaced the plastic part at on the intake with the recommended fitting.
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@Frank4 Just take it out and clean it every oil change - they can pack with crud up pretty quick
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