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EGR questions

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Old Aug 18, 2005 | 10:57 PM
  #1  
t_dickie's Avatar
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From: Brandon Mb
EGR questions

I have the engine out of my truck right now, and I am removing all the smog crap and putting a set of shorty headers on. The truck is a 94, so its OBDI, single O2 sensor, and will have full 2.25" duals with these shortys, with a small crossover for the O2 sensor. Does anyone think not having the air pump (waste of space anyways) or the EGR will cause the engine to throw any codes at me??

Trevor
 
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Old Aug 18, 2005 | 11:25 PM
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It sure will. The EGR especially.

My only question is why would you want to do this?
 
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Old Aug 18, 2005 | 11:29 PM
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From: Brandon Mb
For simplicity sake, plus we don't have any smog requirements here

Trevor
 
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Old Aug 19, 2005 | 11:00 AM
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Smog requirements are federal. Just because your state doesn't inspect for it doesn't mean its legal to remove.

Never mind. It looks like your in the great white north, Ehh?
 
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Old Aug 19, 2005 | 12:16 PM
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You can remove the termactor stuff w/ the air pump if you remove the cat. The cat needs that system. The EGR is pretty simplistic, you should keep it.
 
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Old Aug 19, 2005 | 07:07 PM
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From: Brandon Mb
The cat was gone a long time ago. Took everything else off for mainly two reasons:

1. EGR tube was broke and I was told by the parts store I go to that it is a Ford part only. Didn't want to imagine what the tube would have been worth.

2. Wanted to put the headers on that I had, but they didn't have a plug for the EGR tube.

This would be a non issue if it ran out of the exhaust runners in the intake manifold, but it doesn't, so I'm stuck doing what I did. I'm not going to throw anything away though, may as well keep it so if we ever do have smog laws there's no need to re-buy.

Here's another question, I've been looking for a electronic performance upgrade, and this is the first one I've found. It seems to me to be too good to be true, so I want to know if anyone else has hear of/used this product before. Here's the link:

http://cgi.ebay.com/ebaymotors/ws/eB...RK%3AMEWA%3AIT

Trevor
 
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Old Aug 19, 2005 | 07:31 PM
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Link doesn't work.

You're going to have to learn how to make the computer happy w/o the EGR there...it's been done but I don't know how.

It'll also throw a code from the thermactor system...
 
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Old Aug 19, 2005 | 07:34 PM
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From: Brandon Mb
When I was workin in the school division bus garage round here a salesman came around and had an O2 simulator on the truck. I assume it just sent the computer a number it was happy with all the time. The link was to a chip on ebay from Optima (not the same as the batteries though). I guess I should have tried it before posting eh??

Trevor
 
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Old Aug 19, 2005 | 07:36 PM
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Ebay links usually don't carry over...post auction numbers instead.

We have a computer chip forum for more info
 
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Old Aug 19, 2005 | 07:40 PM
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The only time you can use an O2 sensor simulator is on an OBD-II vehicle in place of the after-cat O2 sensor. You always want a functioning primary O2 sensor(s).
 
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Old Aug 19, 2005 | 07:41 PM
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From: Brandon Mb
7993995401 is the item number.

Trevor
 
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Old Aug 21, 2005 | 02:14 PM
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What a sham. They don't give any useful information at all, and can't spell response correctly. Other than saying the same thing two or three times, it doesn't say what it plugs into, what signal it modifies, etc. I would steer clear of that type of thing.
 
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