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View Full Version : Exhaust Gas Recirrculation Valve



brmiley
04-03-2008, 02:12 PM
my car is at Modern Performance Inc. being worked on an he told me i need a new EGR Valve. does anyone know where i can find one cheap.

joneb4evr
04-03-2008, 03:14 PM
Did they say why? Usually it can be cleaned. How many miles do you have on the car?

brmiley
04-03-2008, 03:47 PM
on the car not even 22,000 and on a new motor a little over 3,000

MSP2024
04-03-2008, 03:50 PM
just take it off

Captain KRM P5
04-03-2008, 03:53 PM
just take it off

you need it to pass emissions/not have a CEL and you would have to block it off to prevent a major exhaust leak at the turbo manifold and a major vacuum leak at the intake manifold.

the valve can be cleaned. there is no reason at 22,000 miles why you should be forced to replace it.

Velocifero
04-03-2008, 03:55 PM
Werd, it just needs a cleaning.

MSP2024
04-03-2008, 03:57 PM
you need it to pass emissions/not have a CEL and you would have to block it off to prevent a major exhaust leak at the turbo manifold and a major vacuum leak at the intake manifold.
.

why not just cut the current line,put a breather filter on the intake side and cap off the exhaust side. thats what i have done and you wont throw a cel from it

JCell
04-03-2008, 04:22 PM
because when the intake manifold sees boost, the egr will open for lack of a opposite pressure... thus resulting in a boost leak

Velocifero
04-03-2008, 04:24 PM
because when the intake manifold sees boost, the egr will open for lack of a opposite pressure... thus resulting in a boost leak

I didn't, car runs great. Shadow102 runs this as well with no problems and both of us threw a CEL before with it just blocked off.

JCell
04-03-2008, 04:30 PM
how much are u boosting? the turbo may just be compensating for the leak by pumping more air = spinning faster than it should

Velocifero
04-03-2008, 04:31 PM
how much are u boosting? the turbo may just be compensating for the leak by pumping more air = spinning faster than it should

~10spi for both of us.

Velocifero
04-03-2008, 04:32 PM
I'll test it out this weekend, recapp it and see how the car handles it.

MSP2024
04-03-2008, 04:34 PM
2.0t03speed is runnin like that to, he is actually how told us about it

JCell
04-03-2008, 04:36 PM
i'm not going to try to convince you because i don't have any solid proof except for my own experience. and it would be really hard to describe it without showing you an EGR and pointing at sections with my finger...

if u ever get a chance and u dino the car, try putting your hand around the breather and see if u feel air coming outta it.

brmiley
04-03-2008, 04:39 PM
im running 14 psi...whats my best bet here?

MSP2024
04-03-2008, 04:41 PM
i'm not going to try to convince you because i don't have any solid proof except for my own experience. and it would be really hard to describe it without showing you an EGR and pointing at sections with my finger...

if u ever get a chance and u dino the car, try putting your hand around the breather and see if u feel air coming outta it.

now im kinda curious about all this..i should be hittin a dyno this weekend and will find out what its doing

Velocifero
04-03-2008, 04:44 PM
yeah I have dynoed with it capped and I have dynoed with the breather on and I can't say if I felt a difference looking at the boost, but I wasn't feelign for air either. I wonder if I could feel it just revving in neutral without a load on it, it'll go into boost just not fully.

MSP2024
04-03-2008, 04:59 PM
yeah I have dynoed with it capped and I have dynoed with the breather on and I can't say if I felt a difference looking at the boost, but I wasn't feelign for air either. I wonder if I could feel it just revving in neutral without a load on it, it'll go into boost just not fully.

i was just thinkin about doing that..cuz my car feels exactly the same when i had the egr as it does now with out it

JCell
04-03-2008, 05:46 PM
i really dont think u would feel it without having a load on the engine. the egr has a small spring inside that counteracts the force of the selinoid. when i took my egr out to clean it it felt like it had about a 2-3 pound of force, thats why i dont think it would give u too many problems with low boost, but with a higher amount of pressure. the spring will give and open the egr,however. if the pipe is properly hooked up. the force from the exhaust will push from the other side. and thus keep the egr closed. the exhaust has a higher pressure rating than the boost side.

i hope that makes sense, its really hard to describe it with no pics :(

Noel
04-03-2008, 05:49 PM
what did you block the egr ( exhaust manifold line ) with? and which filter did you use for the intake manifold? Just one of those baby cone air filters?

MSP2024
04-03-2008, 05:56 PM
what did you block the egr ( exhaust manifold line ) with? and which filter did you use for the intake manifold? Just one of those baby cone air filters?

1/2 inch pipe thread plug from a plumbing department in a hardware store.and yeah just one of those lil cone filters.

Noel
04-03-2008, 06:05 PM
niiice..and again the benefit of doing such? I thought it was needed to help with combustion

Noel
04-03-2008, 06:07 PM
sorry ill search

MSP2024
04-03-2008, 06:11 PM
niiice..and again the benefit of doing such? I thought it was needed to help with combustion

i did it cuz mine was all fucked up, so its was cheaper to do that then it was to buy a new one and wait for it to get to me,i dont know if there is any benefit maybe the others will know

brmiley
04-03-2008, 06:31 PM
here guys Nick at MPI just ordered me a new one i dont want to take a chance with out it.. NAPA auto parts has it for i think 146$

Captain KRM P5
04-03-2008, 07:58 PM
niiice..and again the benefit of doing such? I thought it was needed to help with combustion

its more of a tree hugging emissions thing than any kind of performance benefit when it comes to EGR. i'm not a fan of the EGR pipe with breather method myself, i've seen some of those that work and some that don't honestly. if it works for you, great, but cleaning the valve and putting it back on is cheaper (free) and easier than cutting the pipe, buying a breather and capping the exhaust manifold.

Velocifero
04-03-2008, 11:02 PM
its more of a tree hugging emissions thing than any kind of performance benefit when it comes to EGR. i'm not a fan of the EGR pipe with breather method myself, i've seen some of those that work and some that don't honestly. if it works for you, great, but cleaning the valve and putting it back on is cheaper (free) and easier than cutting the pipe, buying a breather and capping the exhaust manifold.

I put the breather on mine cause of manifold changes and future egr less plans.

MSP2024
04-04-2008, 01:36 PM
I put the breather on mine cause of manifold changes and future egr less plans.

same with me,my egr got messed up changing over to the 626 though,so it was not really planed haha