Can I run my car w/o EGR?
03-07-2004, 11:34 AM
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Staging Lane
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Can I run my car w/o EGR? Here's the deal. I have a 2000 Z28 and I bought the non-EGR zo6 intake. I also have some headers ordered w/o EGR or AIR fittings, but they aren't in yet. So if I want to install the intake right now, will I be able to drive it with that EGR hose hanging up there? I assume the EGR is operated by a valve, so is the valve normally open or normally closed? If it is normally closed I guess I could electrically disonnect the valve and it should be ok. I don't have an EGR blockoff plate since I got the race-style headers.
Also, I know I will get an SES light with the EGR and AIR removed, but will it be an instrusive code (will it cause the car to run like crap)? Same question for the rear O2 sensors, will they give an intrusive code before I get the PCM reprogrammed? Thanks for the help.
Also, I know I will get an SES light with the EGR and AIR removed, but will it be an instrusive code (will it cause the car to run like crap)? Same question for the rear O2 sensors, will they give an intrusive code before I get the PCM reprogrammed? Thanks for the help.
03-07-2004, 11:37 AM
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03-07-2004, 11:48 AM
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Staging Lane
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Thanks for the help, much appreciated, I guess I will head to the store and pick up some metal flashing for some block off plates and go ahead and rip it all out. 
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03-07-2004, 04:55 PM
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I just installed my headers today, yesterday I took all the egr and air crap off then I took the 15mm bolts that came off the egr bracket and screwed them down into the air holes on the stock headers. For the egr fitting on top of the intake I used a 1 3/8 expand plug it ran fine. Make sure whatever you do that you block off those air hole on the exhaust when I started my car without the bolts in the holes it was shooting out flames.
03-07-2004, 10:01 PM
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Well, I got the intake installed and the AIR and EGR are completely removed. I have an SES light, but I will get it all programmed out later on. Car runs great, seems to have more midrange and a little more top end power with the LS6 intake, but I haven't done a dyno yet. Thanks for all the help. 
