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#1
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Iris
If the IRIS valve wasn't working (i.e., stuck in full open/closed or somewhere in between) How would you tell? Would it set off an error code? Or would the horrible performance be enough to tell? Thanks.
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-Mike '92 Pearl LS-L (sans Spoiler) #0993 Mfg. 5/91 "It says here, 'Breakfast any time'... That's right... In that case, I'll have the pancakes in the Age of Enlightenment..." |
#2
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Re: Iris
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If the IRIS valve was stuck closed, there would be good acceleration up to 4000 rpm, then the engine would run flat from there with little torque. If it was stuck open, it would be gutless below 4000 rpm, but run hard above 4000 rpm. It is not known to give trouble, but there is allways a first. What problems are you having? Harvey.
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One Arm Bloke. Tell it like it is! 95 Lsi. Bordeaux Pearl, Aust. RHD.149,000Kls Subaru BBS wheels. 97 Liberty GX Auto sedan. 320,000Kls. 04 Liberty 30R Auto Premium. 92.000kls. |
#3
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Re: Re: Iris
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2005 RX-8 Grand Touring 2005 Outback 2002 Mercedes-Benz E320 wagon END OF LINE |
#4
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I suppose you could unplug the vacuum line to it and find out.
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Matt Locker Link 2015 BRZ Limited 6MT 92 Ebony LS-L ECUtune Stage2av1, Z32 MAF, 370cc injectors, TomsSVX intake, BontragerWorks 22mm RSB #003, HID Hi and Lo beams, OT endlink and bushing mods, PWR Aluminum radiator, Harvey's QC shift kit, 2.5" flowmaster 80 exhaust, 17" Michelin Pilot Sport A/S, Poly sway bar bushings, Slotted Bradi rotors, AFBeefcake powdercoated calipers, 97 grill, and a huge set of air horns. 300,000 miles and counting 92 Ebony LS-L. ecutune stage1v4, motorsport 1pc pulley. Garage Queen - sold to Dad in upstate NY 155,000 miles 19 Subaru Ascent Premium - -Hers !. 89 DL 4x4 little red wagon - a.k.a. The immortal suby. 275k R.I.P. |
#5
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Re: Re: Re: Iris
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Stuck closed at higher rpm, the resonate inlet pipes could not induct a full cylinder of air, from one side, it needs both sides to be joined, to provide enough chamber volume to supply the air in the time available. Harvey.
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One Arm Bloke. Tell it like it is! 95 Lsi. Bordeaux Pearl, Aust. RHD.149,000Kls Subaru BBS wheels. 97 Liberty GX Auto sedan. 320,000Kls. 04 Liberty 30R Auto Premium. 92.000kls. |
#6
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Thanks for the replies. I'm not having a problem, but I think I was trying to ask what Pockets asked. Kinda, whats the potential for a bunch of us driving around with non-functioning butterfly valves and never even knowing it?
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-Mike '92 Pearl LS-L (sans Spoiler) #0993 Mfg. 5/91 "It says here, 'Breakfast any time'... That's right... In that case, I'll have the pancakes in the Age of Enlightenment..." |
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