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Old 02-28-2009, 10:29 PM   #1
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02 sensor delete code

Hi, I just got done rebuilding my 04 SVT and I have gutted the cat and took that 2nd O2 sensor out. Thus it is throwing 2 codes for the sensor not being plugged in. Not working, and not heating up properly. I really wasn't in the market to buy a programmer for the car, even to tune it, and I would really like to get the code deleted so the check engine light will go off. I live in East Stroudsburg, PA 18301 and was wondering if there is someone in the area that has a programmer that could get rid of that code for me if we could meet somewhere on the weekend. Shoot me a PM or give me a call on my cell, 570-801-5437. Thanks in advance.

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Old 02-28-2009, 10:36 PM   #2
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The codes will just come back eventually. I would say buy an O2 cheater or make your own... To get rid of the light for a the time being just disconnect your negative battery terminal for 15 mins to reset your ECU, let the car sit and idle for about 6 mins (do not touch the gas pedel) then take it for a drive so your car can in essence relearn its operating parameters...
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Old 03-01-2009, 07:21 AM   #3
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Quote:
Originally Posted by Segond56 View Post
Hi, I just got done rebuilding my 04 SVT and I have gutted the cat and took that 2nd O2 sensor out. Thus it is throwing 2 codes for the sensor not being plugged in. Not working, and not heating up properly. I really wasn't in the market to buy a programmer for the car, even to tune it, and I would really like to get the code deleted so the check engine light will go off. I live in East Stroudsburg, PA 18301 and was wondering if there is someone in the area that has a programmer that could get rid of that code for me if we could meet somewhere on the weekend. Shoot me a PM or give me a call on my cell, 570-801-5437. Thanks in advance.

Sam
No one elses program will work on your SVT , the flashers are VIN locked so you cannot use 1 flasher for 2-3 cars , If you just rebuilt your SVT and did all that work to it why wouldnt you want one of the best overall things you could do for your SVT , a Diablo Predator with my custom tune on it , and with no CAT there are some lean conditions you will need to deal with abong other things like CEL , 375.00 and 20.00 for shipping is a small price to pay for a safe engine

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Old 03-01-2009, 12:29 PM   #4
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didn't know that about the tuners... well if thats the case I will have to save up for one... and your saying that having the cat. gone in its current condition I am running the risk of being lean??? Is that correct....? Thanks.
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Old 03-01-2009, 06:27 PM   #5
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I sure would install a wide band and check it before doing many WOT runs

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Old 03-01-2009, 08:02 PM   #6
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Also, there is some dyno proven results on some cars (a recent article on a Miata comes to mind) that showed that hp was actually LOST by gutting the cat due to the added turbulence the cavity created.

An ORP is the only way to go, although you generally only lose about 1 hp with a High Flo Cat and stay cleaner.
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Old 03-01-2009, 08:06 PM   #7
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are you running a cat or not
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Old 03-02-2009, 09:49 PM   #8
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I have the stock cat pipe but it is gutted... I would eventually like to put the car on a dyno to see the gains... I did this to my 01 Tahoe as well and got very favorable results especially for towing (gutting the cats. that is) but I would think the air/fuel would be fine... it was to my knowledge that the SVT stock ran a little rich... thus I would be ok in my current condition, but I suppose it would always be good to know for sure, and either a dyno run or getting the tuner would let me know. thanks for all the input guys.
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Old 03-03-2009, 01:18 AM   #9
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Quote:
Originally Posted by warneej View Post
Also, there is some dyno proven results on some cars (a recent article on a Miata comes to mind) that showed that hp was actually LOST by gutting the cat due to the added turbulence the cavity created.

An ORP is the only way to go, although you generally only lose about 1 hp with a High Flo Cat and stay cleaner.
This is true. This months Import Tuner mag has a article on this, where they lost 1.1 whp with a gutted cat versus a oem cat. Replacing it with a test pipe they gained 1.3 whp over the oem cat. They didn't include a high flow cat in there test, but I would assume it would help given its the same non turbulence as a oem cat but with more flow so its the best of both worlds and keeps down the bees in a can affect that open exhaust causes.
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Old 03-03-2009, 10:47 AM   #10
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My question is ....

Are you SURE you gutted the cat??? You do know that there are TWO sections of catalyst inside the cat and the only way to get to the second one is to cut it into to and then reweld it.
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