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#31
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Re: EGR
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The problem is when the passages in the EGR pipe, and the inlet manifold passages, get blocked with carbon, no gas passes, no rise in temp, gives a code. So to fix the 56 problem, fit a new solenoid. To fix the 34 problem, clean all the inlet manifold passages of carbon. 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. |
#32
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Re: EGR
Bump.
I am getting my car inspected this week. I don't need emissions testing, though. Will I still pass even though I'm throwing a CEL for the EGR? The CEL will not come on unless the engine is warm. It's a '92. The last time I got it inspected, it passed, but I'm 2 hours away from that garage... If it won't, to my knowledge the 92's only throw a code for a dirty sensor, not the temp. sensor (correct me if I'm wrong), so I was wondering what the easiest way to clean it would be. I have a can of seafoam in my trunk, ready for business.
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1992 Pearl White LS Owned since 2009 175k Miles STi Airlift Performance air suspension 2005 WRX manual swap Rear wheel drive K-Staff front bumper Delta Speed side skirts JDM clear corners Smallcar grille Subaru XT steering wheel Subaru XT shift knob First bagged SVX in the world Worlds first SVX on air suspension. Custom made (by myself) spare tire subwoofer. |
#33
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Re: EGR
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'94 Laguna Blue LSi ~159k.......JDM ultra short-geared 3.900 STi Version 7 6-speed w/ Cobb shortshifter, ECUtune 244,8.1mm/256,9.1mm i/e cams, group N motor mounts, '97 grille, JDM clear corners, Momo JDM Legacy GT steering wheel, apkarian's LED tails, silver STi BBS wheels, PWR radiator, redstuff pads f/r, drilled/slotted rotors, bontragerworks rsb #18, Koni/GC 450f/375r coilovers, Megan Racing adjustable lateral links, KMac c/c plates, Stebro exhaust, ECUtune 1v5, Optima battery in the trunk where it belongs. Turbo project '97 Ebony LSi ~137k #036.......Power mode mod, JDM clear corners, BBS wheels. AUX/pocket mod Now a mod "over there" ............Photo album |
#34
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Re: EGR
I'll probably just fill a shot glass with the seafoam in order to not overfill it. Do you have a picture of exactly which hose that is? And are you saying that if the solenoid doesn't open it won't create any vacuum pressure at all? I've had people tell me that they did this procedure and it cleaned all that carbon buildup that's throwing that damn code.
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1992 Pearl White LS Owned since 2009 175k Miles STi Airlift Performance air suspension 2005 WRX manual swap Rear wheel drive K-Staff front bumper Delta Speed side skirts JDM clear corners Smallcar grille Subaru XT steering wheel Subaru XT shift knob First bagged SVX in the world Worlds first SVX on air suspension. Custom made (by myself) spare tire subwoofer. |
#35
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Re: EGR
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'94 Laguna Blue LSi ~159k.......JDM ultra short-geared 3.900 STi Version 7 6-speed w/ Cobb shortshifter, ECUtune 244,8.1mm/256,9.1mm i/e cams, group N motor mounts, '97 grille, JDM clear corners, Momo JDM Legacy GT steering wheel, apkarian's LED tails, silver STi BBS wheels, PWR radiator, redstuff pads f/r, drilled/slotted rotors, bontragerworks rsb #18, Koni/GC 450f/375r coilovers, Megan Racing adjustable lateral links, KMac c/c plates, Stebro exhaust, ECUtune 1v5, Optima battery in the trunk where it belongs. Turbo project '97 Ebony LSi ~137k #036.......Power mode mod, JDM clear corners, BBS wheels. AUX/pocket mod Now a mod "over there" ............Photo album |
#36
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Re: EGR
Is this the right one?
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1992 Pearl White LS Owned since 2009 175k Miles STi Airlift Performance air suspension 2005 WRX manual swap Rear wheel drive K-Staff front bumper Delta Speed side skirts JDM clear corners Smallcar grille Subaru XT steering wheel Subaru XT shift knob First bagged SVX in the world Worlds first SVX on air suspension. Custom made (by myself) spare tire subwoofer. |
#37
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Re: EGR
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'94 Laguna Blue LSi ~159k.......JDM ultra short-geared 3.900 STi Version 7 6-speed w/ Cobb shortshifter, ECUtune 244,8.1mm/256,9.1mm i/e cams, group N motor mounts, '97 grille, JDM clear corners, Momo JDM Legacy GT steering wheel, apkarian's LED tails, silver STi BBS wheels, PWR radiator, redstuff pads f/r, drilled/slotted rotors, bontragerworks rsb #18, Koni/GC 450f/375r coilovers, Megan Racing adjustable lateral links, KMac c/c plates, Stebro exhaust, ECUtune 1v5, Optima battery in the trunk where it belongs. Turbo project '97 Ebony LSi ~137k #036.......Power mode mod, JDM clear corners, BBS wheels. AUX/pocket mod Now a mod "over there" ............Photo album |
#38
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Re: EGR
Remove the hose from the nipple . You say cover it with something? The something like a hose or a plug. Put it in the can? Do you mean the hose you took off or the thing you put over the nipple
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When I was in school I sucked in sports. Then I found out I can buy trophies and now I am great at everything. |
#39
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Re: EGR
Cover it meaning the nipple, so there's no vac leak. You put the hose in the can. I'm going to try this later on my car to make sure it's safe before I recommend you try it.
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'94 Laguna Blue LSi ~159k.......JDM ultra short-geared 3.900 STi Version 7 6-speed w/ Cobb shortshifter, ECUtune 244,8.1mm/256,9.1mm i/e cams, group N motor mounts, '97 grille, JDM clear corners, Momo JDM Legacy GT steering wheel, apkarian's LED tails, silver STi BBS wheels, PWR radiator, redstuff pads f/r, drilled/slotted rotors, bontragerworks rsb #18, Koni/GC 450f/375r coilovers, Megan Racing adjustable lateral links, KMac c/c plates, Stebro exhaust, ECUtune 1v5, Optima battery in the trunk where it belongs. Turbo project '97 Ebony LSi ~137k #036.......Power mode mod, JDM clear corners, BBS wheels. AUX/pocket mod Now a mod "over there" ............Photo album |
#40
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Re: EGR
Thanks. I am Willing to try it. May clear my code.
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When I was in school I sucked in sports. Then I found out I can buy trophies and now I am great at everything. |
#41
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Re: EGR
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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. |
#42
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Re: EGR
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inb4 "meme used wrong blah blah blah" But in all seriousness, if I could that would be cool. My friend removed his from his Talon TSI to squeeze out that extra ounce of boost haha.
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1992 Dark Teal LS-L w/ 165k+ miles (traded ) Mods: Power Slot front rotors, polyurethane sway bar bushings, window scratcher fix, SPD hood struts, Outlaw Engineering phenolic spacers, Bontrager Works 22mm rear sway bar, R-134a conversion, 93 Legacy SS 5 speed swap, Ceika coilovers, ARP head studs 2001 Black Toyota Sequoia (hauler/daily) 1992 Blue Toyota Cressida (drift car) 1992 Red Toyota MR2 (weekend/track day car) |
#43
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Re: EGR
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I kept the solenoid plugged into the wiring harness under the manifold. |
#44
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Re: EGR
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The 92 ECU can tell whether the solenoid is connected, and somehow it can tell whether it's stuck or not (probably detects a different current or something??). Like Harvey said, the later ones have a temperature sensor on the intake manifold right where the EGR connects, that the ECU uses to monitor whether the EGR is actually working or not, by detecting the increase in temp when the hotter exhaust gas is flowing past the sensor. If one were to measure the resistance at the different temperatures, one might be able to use a resistor to trick the ECU... The 92s have a (14mm head) plug where the temp sensor is on the later ones. AFAIK, the 94s don't actually throw a code when the EGR system isn't working though. It will throw a code if the temp sensor is missing, however, which I know because I have a 92 engine in my 94, and if I use the 94 ECU it throws a code (code # 34). Not sure about the Cali spec cars, or the OBD2 cars, but I bet they'll throw codes for a missing temp sensor, a stuck or missing solenoid, and the the EGR not functioning. There are 3 codes: 34, 55, and 56. I think the 92s can only throw 34, because they have no temp sensor, and therefore no way to tell whether the EGR is functioning or not, only whether the solenoid is functioning. If you want to delete the EGR (on a 92), the most difficult part will be getting the line from the pass. side exhaust manifold out. Once you do that, you can just put in a bolt to plug the hole. I tried and I tried, but I could not get that fitting to loosen. Still haven't quite figured out how to solve that problem. Gene, what did you do? There's not that much (if any) performance to be gained from removing it though, to be honest. Most EGR systems only open at high vac, and RPMs well above idle, which is basically just when you're cruising. At low vac, high loads, it should stay closed. Recirculating the inert exhaust gas instead of fresh air just reduces the amount of fuel that needs to be injected, which ought to improve mpgs very slightly. I see two main benefits from tossing it: cleaner engine bay, and cleaner engine. The exhaust gas is disgusting, and if you ever look inside port where it goes into the intake manifold, you will cry from how nasty it is. It also gets rid of a tiny bit of the more toxic by-products of combustion, which I guess it a good thing, but the way it does it is kind of stupid. It lowers the combustion temperature. NOx are formed when O2 and N2 are burned together at very high temps. I guess by diluting the air/fuel mixture with the CO2, H2O and other inert combustion products, it lowers the combustion temp enough to prevent that. Yea, when you burn hydrocarbons, you get CO2, CO, and water. You can think of an EGR as a really retarded water-injection system if it makes you feel better. Ed, stop using memes wrong. This isn't Facebook, lol
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'94 Laguna Blue LSi ~159k.......JDM ultra short-geared 3.900 STi Version 7 6-speed w/ Cobb shortshifter, ECUtune 244,8.1mm/256,9.1mm i/e cams, group N motor mounts, '97 grille, JDM clear corners, Momo JDM Legacy GT steering wheel, apkarian's LED tails, silver STi BBS wheels, PWR radiator, redstuff pads f/r, drilled/slotted rotors, bontragerworks rsb #18, Koni/GC 450f/375r coilovers, Megan Racing adjustable lateral links, KMac c/c plates, Stebro exhaust, ECUtune 1v5, Optima battery in the trunk where it belongs. Turbo project '97 Ebony LSi ~137k #036.......Power mode mod, JDM clear corners, BBS wheels. AUX/pocket mod Now a mod "over there" ............Photo album Last edited by icingdeath88; 11-30-2012 at 05:34 PM. |
#45
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Re: EGR
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Combined with a crow's foot wrench, it might do the trick. EDIT: Sorry if the images are annoying. I'm bored with text. :P
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1992 Dark Teal LS-L w/ 165k+ miles (traded ) Mods: Power Slot front rotors, polyurethane sway bar bushings, window scratcher fix, SPD hood struts, Outlaw Engineering phenolic spacers, Bontrager Works 22mm rear sway bar, R-134a conversion, 93 Legacy SS 5 speed swap, Ceika coilovers, ARP head studs 2001 Black Toyota Sequoia (hauler/daily) 1992 Blue Toyota Cressida (drift car) 1992 Red Toyota MR2 (weekend/track day car) |
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