egr valve??? - Nissan Forum
Z31 300ZX(T) 1984-1989 Zs - Engine and Chassis Discussion

 
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post #1 of 8 Old Jul 25th, 2004, 02:03 PM Thread Starter
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egr valve???

from my manual it says the egr valve should be able to be push up with your finger... on my car my egr does not budge. is this bad and should i replace it? also how important is this part?
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post #2 of 8 Old Jul 25th, 2004, 02:27 PM
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Quote:
Originally Posted by gremlinjp
from my manual it says the egr valve should be able to be push up with your finger... on my car my egr does not budge. is this bad and should i replace it? also how important is this part?
It's only good for emissions purposes and preventing part throttle knock. But it's not active at WOT or at idle. Most tuners block it off. I don't recommend removing it for the part throttle knock reason. If yours doesn't work , I'd say no big deal.

1992 Yamaha FZR 1000. 145 Hp, all stock..
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post #3 of 8 Old Jul 25th, 2004, 05:57 PM
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Quote:
Originally Posted by gremlinjp
from my manual it says the egr valve should be able to be push up with your finger... on my car my egr does not budge. is this bad and should i replace it? also how important is this part?
replace it with a small breather/filter. it looks like a very miniature air cleaner. it costs about $10 US. Another cheap way to do it is to use a piece of metal screen to "filter" the crud from getting in. either way, you are getting no crackcase ventilation, and you need to remove that EGR valve.

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post #4 of 8 Old Jul 25th, 2004, 11:21 PM
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Originally Posted by Marc Z31
replace it with a small breather/filter. it looks like a very miniature air cleaner. it costs about $10 US. Another cheap way to do it is to use a piece of metal screen to "filter" the crud from getting in. either way, you are getting no crackcase ventilation, and you need to remove that EGR valve.
EGR? Sure you're not talking about the PVC? Removing the EGR and putting a filter there will cause a HUGE vacuum leak........

1992 Yamaha FZR 1000. 145 Hp, all stock..

Last edited by B@lliZtiK; Jul 26th, 2004 at 02:16 AM.
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post #5 of 8 Old Jul 25th, 2004, 11:45 PM
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Mine is bad too

My Egr valve does not work right, i dont notice any proformance issues, but thats my see on things, I'M not willing to spend $200 on a new one.

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1986 300ZX 5-Speed
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post #6 of 8 Old Jul 25th, 2004, 11:50 PM
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Originally Posted by 1986fairladyZ
My Egr valve does not work right, i dont notice any proformance issues, but thats my see on things, I'M not willing to spend $200 on a new one.

Then just leave it on for now. It's not hurting a thing.

1992 Yamaha FZR 1000. 145 Hp, all stock..
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post #7 of 8 Old Jul 25th, 2004, 11:52 PM
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Then just leave it on for now. It's not hurting a thing.
agreed. its just an emissions thing that actually dosent help emmissions that much.
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post #8 of 8 Old Jul 26th, 2004, 02:18 AM
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Quote:
Originally Posted by B@lliZtiK
EGR? Sure you're not talking about the PVC? Removing the EGR and putting a filter there will cause a HUGE vacuum leak........
OH, duh... my bad
They have plugs the correct size at home depot. Remove tube and valve, and get some plugs.

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