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ZR2 Blazer

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Old June 5th, 2009, 10:23 AM
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Hello I have a 98 zr2 blazer and i pulled the power train out to get resealed. My question is im taking stock exhaust manifold off that have the air tube on the l/h side that goes into the lower intake, im putting on shorty headers w/o the tube.. how can i block off the hole in the intake,and will i get a check engine light?

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Old June 5th, 2009, 10:30 AM
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So you want to bypass your EGR valve? You might get a CE light.
Old June 5th, 2009, 10:59 AM
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the egr valve is on the front of engine and they are not connected at all...the pipe does not got to the egr
Old June 5th, 2009, 11:11 AM
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Originally Posted by mtiarks28
the egr valve is on the front of engine and they are not connected at all...the pipe does not got to the egr
What engine size is it? So you dont know what the pipe does? I want to look at the manual and see, thats all.
Old June 5th, 2009, 11:40 AM
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its a 4.3 vortec, they call it the air tube
Old June 5th, 2009, 11:50 AM
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So I take it you have a smog pump?

Does this picture look at all like what you are dealing with?
Attached Thumbnails ZR2 Blazer-air-pump.jpg  
Old June 5th, 2009, 12:23 PM
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mine is fuel injected and its one tube that has the wrap on the tube.. screws on the end of the manifold and screws on the lower intake in the middle.. can u find a pic or do want me to email u one?
Old June 5th, 2009, 12:28 PM
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If you have a picture, can you post it here? I am sure with the members help here we can figure out what you need to do.
Old June 5th, 2009, 1:06 PM
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how do i insert pics??
Old June 5th, 2009, 1:08 PM
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When making a post, just scroll down a little and hit "manage attachments" you can upload a photo there. I copied the page under the posting window to show you.

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