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Thread: Difference between having egr and no egr on 2.2l ecotec.

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    Difference between having egr and no egr on 2.2l ecotec.

    Ok i've looked and cannot find pics of what the difference is between heads with egr port and without egr port. I looked at my head and do not see anything that even remotely looks like an egr port. Can someone please tell me or show me the difference between the two.

    Every salvage yard I call is asking that and I keep saying that it does not. But one place asked me my 8th VIN digit (F) and they say that it should have egr port on it. Though I do not see one.

    Any help would be appreciated.

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    the port should be between the 2nd and 3rd cylinder hole if i remember correctly. sorry i don't have a pic of it. the vin "f" just refers to the engine code. if its a vin "f" then you have an ecotec. 03-05 always had eco's. and only some of the 02's had eco's

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    No picture yet, but I just went thru the same thing replacing my engine...

    For my year the junkyards had 4 options. AIR w/EGR AIR no/EGR EGR no EGR

    AIR has a valve attached to the exhaust manifold and makes a clunky look exhaust, easy to figure out; I had no AIR. The port between 2 & 3 on the exhaust would be for this.


    All exhaust manifolds have a little extension just past the #4 cylinder for input to the EGR system.


    The difference between EGR and no EGR is on the end of the cylinder head next to the #4 cylinder right above the coolant pipe, right below the fuel line and between the intake and exhaust cam centerlines.

    No EGR has nothing there. EGR has a triangular protrusion from the intake and exhaust sides of the cylinder head to a base that looks like the base of a coolant thermostat on older cars. Probably just has a block off plate on top of that.

    Either w/EGR or no EGR will work if you have no EGR or EGR with a block-off plate. Worst case is you'll need to make or buy a block off plate.

    I got the EGR engine because it was cheaper. Came with the block off plate.
    Ed
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    No picture yet, but I just went thru the same thing replacing my engine...

    For my year the junkyards had 4 options. AIR w/EGR AIR no/EGR EGR no EGR

    AIR has a valve attached to the exhaust manifold and makes a clunky look exhaust, easy to figure out; I had no AIR. The port between 2 & 3 on the exhaust would be for this.


    All exhaust manifolds have a little extension just past the #4 cylinder for input to the EGR system.


    The difference between EGR and no EGR is on the end of the cylinder head next to the #4 cylinder right above the coolant pipe, right below the fuel line and between the intake and exhaust cam centerlines.

    No EGR has nothing there. EGR has a triangular protrusion from the intake and exhaust sides of the cylinder head to a base that looks like the base of a coolant thermostat on older cars. Probably just has a block off plate on top of that.

    Either w/EGR or no EGR will work if you have no EGR or EGR with a block-off plate. Worst case is you'll need to make or buy a block off plate.

    I got the EGR engine because it was cheaper. Came with the block off plate.
    emsvitil Quoted Post

    Mine is an 05'. I don't have that triangular protrusion at the end of the head next to the #4 cylinder. So I was right in saying that it didn't have EGR port then.

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    No EGR (nothing on end of cylinder head)



    EGR (stuff on end of cylinder head)

    Ed
    2005 Saturn Vue
    FWD 2.2 manual 5 speed

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    the port should be between the 2nd and 3rd cylinder hole if i remember correctly. Sorry i don't have a pic of it. The vin "f" just refers to the engine code. If its a vin "f" then you have an ecotec. 03-05 always had eco's. And only some of the 02's had eco's
    scrapz253 Quoted Post
    ?

    Cavaliers didn't use the EGR port whether it was there or not, so you can get either, heres another look of the port from my spare head in the shop.
    Last edited by Cinpro; 05-02-2011 at 08:14 PM. Reason: posted too soon
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    Thanks guys for the pics and info. Mine don't have that EGR port protruding from the head. So I just need to make sure that if I get one that does. It needs to have the cover plate or I will need to buy/make one.

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    is this where the egrs hooks up. or air injection ?


    Last edited by japopeye; 05-05-2011 at 01:21 AM. Reason: pic added
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    the port should be between the 2nd and 3rd cylinder hole if i remember correctly. sorry i don't have a pic of it. the vin "f" just refers to the engine code. if its a vin "f" then you have an ecotec. 03-05 always had eco's. and only some of the 02's had eco's
    Scrapz253 Quoted Post
    you were thinking of pcv

    Egr has a block off plate .....picture.

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    Newbie Help

    ?

    Cavaliers didn't use the EGR port whether it was there or not, so you can get either, heres another look of the port from my spare head in the shop.
    Cinpro Quoted Post
    Hiya. Going to do my first ever engine swap on a 2003 sunfire w/ 2.2L ecotec. Existing engine has the port that you pictured, however it is plugged by a hex bolt. Am I correct in thinking that I can get either as well? Is there anything particularly tricky about this up coming swap?

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    is this where the egrs hooks up. or air injection ?


    japopeye Quoted Post

    Although I didn't look that close to what mine looked like inside. It appears to be an empty cavity that does nothing. But I didn't inspect it that closely. There could be a hole in there I didn't see.

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    Although I didn't look that close to what mine looked like inside. It appears to be an empty cavity that does nothing. But I didn't inspect it that closely. There could be a hole in there I didn't see.
    ShaiTan Quoted Post
    That's a bracket that goes around the corner and supports the coolant pipe (other end is bolted to coolant pipe)
    Ed
    2005 Saturn Vue
    FWD 2.2 manual 5 speed

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