LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

EGR block off question

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Old 03-16-2003, 09:43 PM
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EGR block off question

Has anyone ever removed the EGR valve and made a block off, as well as the EGR feed tube. I've removed the valve as well and want to make sure that I have not errored. With programming, will the engine run fine with the EGR valve removed? Thanks.
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Old 03-16-2003, 09:46 PM
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I removed mine when I installed the cam. Had to have it programmed out. I believe the same goes for OBDII.
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Old 03-16-2003, 09:48 PM
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Awesome then...anyone else? Same positive experience?
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Old 03-16-2003, 09:52 PM
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Yep same here. When I removed the tube I took off the collar and welded it up. I have not removed the EGR valve, no block off plate. When you remove the relay that goes to the EGR you will set a code. All you have to do is keep the wire hooked up to the relay but disconnect the vacuum lines, that is until you can get it programmed out.
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Old 03-16-2003, 10:26 PM
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Besides the code, will the thing run fine until I get my programming done? I'll be running OBDI on this motor.
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Old 03-16-2003, 10:47 PM
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I am not sure. Once the code is set the fans will be running at full.
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Old 03-17-2003, 08:56 AM
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I drove around for a few weeks with the EGR code (P0400) and my car ran fine. I even took it to the track and my times were right on. My fans weren't always on either
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