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EGR removal and CEL

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Old Jul 19, 2008 | 02:18 AM
  #46  
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So basicly we can remove every line and hose as long as all the sensors are still pluged in??

Ill be doing this after I goto inspection next week. Only mods I have that I'm worried about is the rear o2 sensor fix and egr fix for no codes. I have no cel light so I hope I'm good to go. Ill get back to you guys and post an update
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Old Jul 19, 2008 | 03:17 AM
  #47  
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Originally Posted by EvoIXMR
I took the IM off to get ported and here is what all I have done so we can compare notes...

Took TB off and capped the lines like you did.

There are a total of 3 solenoids on the intake manifold area of the engine bay which I touched and are as follows:

1) FPR solenoid (pic below) - attached to passengers side corner of intake manifold as in 2nd pic below. The three added bungs are for my MAP sensor, boost gauge and BOV.

4) There is another solenoid/pump sorta dealie attached to the evap canister in the rear which I also removed. Below is all that comes out the rear of the car. Previous owner drove the car on gravel roads, hence the nastiness, I apologize!

Anyways, I was hoping to just not install any of these solenoids back on - but, sounds like all the solenoids need to be plugged back in

Also, just to make sure - did you unplug the #3 in my pics above? I just got my buschur block-off plate, but I seem to have misplaced my stock EGR valve bolts...time for another trip to true value..
I left all the solenoids THERE, and the electrical connectors plugged in. With no vacuum attachments on them. EGR block off plate. Capped the EVAP line coming into the engine bay. Most EVAP canisters have a one way valve incorporated into them, or installed near them. If what you are showing in #4, on the left. I would assume it is a one way valve. If it has an electrical connector, it is a solenoid.

I stole the big *** 90* hard line on the IM for the bov that was formerly attatched to the EGR mess. I didn't get a chance to do it yesterday. But now I'm feeling froggy, that EVAP canister is going to find a new home on a shelf somewhere...

For those of you using periphery edits to disable the EGR test. It may have changed recently. But I was under the impression that while it will disable the idiot light. It will leave the OBDII flag unchecked PERMANENTLY when being tested for emissions. It will be in a constant state of 'not ready'. Like I said, they might have found a work around for this. But I don't think so. AKA- you are not passing emissions. It just stopped the light.

Turning out a light, and passing OBDII readiness checks are not the same thing. Just like the rear o2 patch doesn't fix the heater portion of the circuit to completely remove the rear o2 sensor.

But if you've been in the game long enough... you know someone that will close their eyes and slap a sticker on the car. And you are more worried about turning the damn light off so you can see your CEL/knock lite better.
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Old Jul 19, 2008 | 04:31 AM
  #48  
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I have the rear o2 fix and a resister on so the heater test passes. The egr I agree with what your saying. I know a guy and all he told me was make sure there is no cel light without pulling the bulb. Hehe. And well I have no cel light so we will see how it gos
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Old Jul 19, 2008 | 01:41 PM
  #49  
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Here we go one more time:

I'm excited to say that I have almost entirely completed the the transfer from from my 94170008 ROM to Tepra's 94170014 v5 patch, complete with 3D MUT table, 2 byte load, 2 byte rpm, and 2 byte air flow. It is amazing how much I have learned just following the processes. Big thanks to Jack of Trades too.

Now, the only thing left is to do my EGR mods again. Can I get a hand? Instead of doing those Periphery mods can I just use my MUT table??

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Old Jul 19, 2008 | 08:20 PM
  #50  
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Originally Posted by evodan2004
I have the rear o2 fix and a resister on so the heater test passes. The egr I agree with what your saying. I know a guy and all he told me was make sure there is no cel light without pulling the bulb. Hehe. And well I have no cel light so we will see how it gos
I think the reality is being lost in the way he worded it. If he was really ' ' taking care of it. He wouldn't care if the light was on or not. Why can't you pull the bulb then? Here is why; because he is still going to plug the car in. And when he does the EGR readiness test will not have set. And you will fail. Then he will take your money and say pass or fail... "blah blah blah". He may overlook some physical things on the car. And just assumes that if there is not CEL light present it will pass his plug in. And you'll be on your way. What HE does not understand is that you would be making changes to the rom that will cause a non-compliance issue outside of the average Joe CEL. Which, is well beyond the typical understanding of your local emissions tester. See what I mean? You will fail. He will take your money anyway. See where this is going?

What you NEED to do is get the car exempted from emissions testing by "driving" less than 5000 miles in a year. Its the only way. And no I'm not alluding to odometer fraud. Like I said. You need to find yourself a buddy. One that has 'problems' getting your car plugged in.
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Old Jul 19, 2008 | 10:04 PM
  #51  
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Originally Posted by Asmodeus6
I think the reality is being lost in the way he worded it. If he was really ' ' taking care of it. He wouldn't care if the light was on or not. Why can't you pull the bulb then? Here is why; because he is still going to plug the car in. And when he does the EGR readiness test will not have set. And you will fail. Then he will take your money and say pass or fail... "blah blah blah". He may overlook some physical things on the car. And just assumes that if there is not CEL light present it will pass his plug in. And you'll be on your way. What HE does not understand is that you would be making changes to the rom that will cause a non-compliance issue outside of the average Joe CEL. Which, is well beyond the typical understanding of your local emissions tester. See what I mean? You will fail. He will take your money anyway. See where this is going?

What you NEED to do is get the car exempted from emissions testing by "driving" less than 5000 miles in a year. Its the only way. And no I'm not alluding to odometer fraud. Like I said. You need to find yourself a buddy. One that has 'problems' getting your car plugged in.
your right and wrong.

your aloud 1 not ready test when doing emissions NJ LAW THIS IS.... also he said MOST state inspection places follow the rules and even though you should fail if its done by a private shop it can be over looked. im not going to state. im going to a local friend. i guess we will see what happens.

i passed 2 years ago with no cat, loud exhaust, and the other reg mods. no cel. and he said sure dan. as long as there is no cel and the bulb is not pulled we can pass it. he said nothing on hacking the ecu because there is ways around things. other states might have different laws or regulations so dont base one law your state may have to another. ill keep you posted on how it go's
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Old Jul 19, 2008 | 10:29 PM
  #52  
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Originally Posted by Asmodeus6
I left all the solenoids THERE, and the electrical connectors plugged in. With no vacuum attachments on them. EGR block off plate. Capped the EVAP line coming into the engine bay. Most EVAP canisters have a one way valve incorporated into them, or installed near them. If what you are showing in #4, on the left. I would assume it is a one way valve. If it has an electrical connector, it is a solenoid.

Dustin - Yes, it has a connector on the left hand piece...I unplugged it and tied up the wire. I am assumng I will need to attach some part of that tank back to the connector. I will post a better pic tomorrow morning, sir.

I sent you a PM on your comment regarding the big 90 degree line, not sure what you meant. Thanks!
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Old Jul 19, 2008 | 11:59 PM
  #53  
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Originally Posted by evodan2004
your right and wrong.

your aloud 1 not ready test when doing emissions NJ LAW THIS IS....
Didn't even think about that. My apologies. I hope she slides right thru for you. The way you worded it - it seemed you might be heading for trouble. Trying to protect your wallet bud. That's all.

But I guess I'll shut the hell up, since you got it covered.


EvoIXMR, I was talking about the bent line on the intake manifold itself. The bigger one. (I was confused as to why you put 3 bungs in the stocker) After dumping the emissions stuff it free'd up that big bent line to use with my TiAl. Which made my TiAl happy.
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Old Jul 20, 2008 | 05:06 AM
  #54  
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Originally Posted by Asmodeus6
Didn't even think about that. My apologies. I hope she slides right thru for you. The way you worded it - it seemed you might be heading for trouble. Trying to protect your wallet bud. That's all.

But I guess I'll shut the hell up, since you got it covered.


EvoIXMR, I was talking about the bent line on the intake manifold itself. The bigger one. (I was confused as to why you put 3 bungs in the stocker) After dumping the emissions stuff it free'd up that big bent line to use with my TiAl. Which made my TiAl happy.

my bad for confusing you. i tend to word things wrong all the time. haha. thanks for the tips and heads up and trying to protect the wallet. ill keep you posted
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Old Jul 21, 2008 | 06:28 AM
  #55  
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I pulled all my EVAP & EGR stuff a while ago. If you take off all the lines but leave the solenoids connected you will still get a CEL, at least for EVAP (I did). If you unplugg all the solwnoids you will also get a CEL.

What I have now is everything removed from the car, and disable periphery 2 so no CEL.
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Old Jul 21, 2008 | 11:33 AM
  #56  
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Thanks, Dudi. I will try both methods and see when the car gets to running mode. I finished all suspension work and started on IM/TB.

Can you do me a huge favor - Can you reach under rear bumper, unplug the one connector on the can and see if you get a CEL, perhaps? Just trying to figure if I need to rig something to hold that piece back up....
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Old Jul 21, 2008 | 11:46 AM
  #57  
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what do you mean unplug the one connector on the can? The can is out of the car and the plug is just chillen there.
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Old Jul 21, 2008 | 11:56 AM
  #58  
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Originally Posted by dudical26
what do you mean unplug the one connector on the can? The can is out of the car and the plug is just chillen there.
oh oh - cool. I thought when you said Evap, you meant evap purge soleniod under the hood. As you know, there is EGR and EVAP solenoid under hood and the thing on the canister in the back. Thats great news that the periphery will fix it all. Too bad my car won't be together for another 2 months....I also did the FPR mod Asmodeous mentioned and wil try that to see what happens...
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Old Jul 21, 2008 | 11:59 AM
  #59  
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BTW can anyone explain to me why it is good to remove all the evap stuff. does it help something??
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Old Jul 21, 2008 | 12:08 PM
  #60  
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cleans up engine bay, lightens car just a little, not recircing EGR keeps intake manifold cleaner. Not the "greenest" thing to do, but lets not get into that here.
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