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well....
In the Editor it says: "Above this inlet air temp, EGR diagnostics are enabled"
In the help file it says: "Inlet Air Temp above which EGR is enabled."
Guess I'll believe the help file?
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does anyone have any data showing that the egr is causing problems being unhooked? ive been driving with mine unhooked for awhile now and i ran almost 2 tenths faster with it off, i have an electronic one and only mayby 10 mins between passes becuase i got there right around 5pm and hardly anyone had shown up yet. my car is bone stock right now though not sure how it would effect a modified car but they used to run without then for years before emissions and the engines worked fine *shrug*
does anyone have any data showing that the egr is causing problems being unhooked?
2nd post
Originally posted by BLLDOGG
your car is designed to have the small amount of recirculated gas at times to lower combustion chamber temp below 2500 degrees in the hope to prevent NOX, a cause of smog. not having the egr gases when your computer thinks it should be there will cause spark knock, overheating and especially emission test failure. it also says with excessive NOX emissions, concerns may include engine pinging or detonation, engine over heating and lack of power.
I just learned this today in class. Might have heard it in vo-tech but I sure as heck do not remember. might as well keep it up for people to see.
I myself have the tube unhooked from the header which means I'm running lean when the EGR is engaged. the o2s might be picking it up and adjusting which means I'm lucky but in my circumstance, you will usually run lean out of parameters and get a code. I will be fighting the Devil himself in trying to get that thing hooked back up. I have noticed some lose in power and fuel economy in the time frame of when i did this.
yah i read that already, not saying anyones wrong or anything, ive just personally experienced more power and gas millage having it unhooked, granted with the check engine light on but i already passed echeck this year, and i havnt had any pinging, knocking or anything the the operating temp has stayed the same. mayby my car is a rare case that it dosnt bother it?
can some one post a pic of the egr idk where its at but by yall saying yall unhooked it, im guessing its that small cylinder connected to the header right?
That would be it. Has a tube connecting to the intake manifold too right where the thermostat is.
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2000 Firebird- Intake, Pacesetters, !cat, full 2.5 to flowcrapster, 1.9 rockers, LS6 springs and Intense modded retainers, WS6 speedlines, T/A bumpers and hatch, 5 spd swapped, SOON TO BE nitrous'd and cammed.
It takes the burnt gases and recirculates it back through the intake.
08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine
Exhaust Gas recirculation is the abrieviation. It takes some exhaust gas and feeds it back into your cylinders. It reduces the amount of NOx that is produced from the combustion that way emission standards are met. I personally think it's pointless **** emissions...:cool:
Last edited by xgongiveittoya44; 10-02-2012, 08:39 PM.
Reason: spelling
Exhaust Gas recirculation is the abrieviation. It takes some exhaust gas and feeds it back into your cylinders. It reduces the amount of NOx that is produced from the combustion that way emission standards are met. I personally think it's pointless **** emissions...:cool:
so if i remove it nothing will happen cuz mine looks kinda old lol i was thinking of replacing it too but now im like ??? should i
The EGR recirculates a certain amount of spent exhaust gas into the intake tract, but nly during part throttle and lower load situations. If I'm not mistaken, when you go above a certain throttle position and into higher load situations, the EGR shuts back off.
Most of the GM V8's from 2001-up do not have the EGR due to the fact it was not needed to meet emissions requirements. Cam phasers are not the reason why though. GM only uses cam phasers on V8's that have Active Fuel Management, and these engines use them to broaden the power curve while using a smaller camshaft.
If you're in the process of rebuilding an L36, you can take a few steps when you're building it up to not only increase power, but reduce emissions, and therefore the need for the EGR system.
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