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Innovate wideband Location

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Ep1c

Probationary Member
15
2
Jul 22, 2014
Blackhawk, California
hey everyone, I been a lurker on these forums for a long time. I never had to post anything because I was always able to find what I needed when I searched here or in google and add DSM at the end of my search and it would find my answer here :).

my car is a 96 gsx small 16g with 650s, 255 walbro being installed now.
anyways I have that new innovate boost controller/afr gauge set up and I am have been getting mixed reviews on where to put the o2 for the wideband. Some threads say use the rear o2 some say the front. Also when I do the front I hear something about tapping into the white wire? I see a white wire on both the stock o2 and my wideband o2. are those suppose to be piggybacked so the ecu reads the wideband o2 as a narrowband like stock?

also I have dsmlink v2 btw
my gauge is the SCG-1. there is an option for a yellow wire to be connected to the analog Input of data loggers like dsm link. is this the wire I need to connect to the stock o2? Here is a screenshot
 

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The closest to the turbo the faster feedback you get but you shorten the sensor life due to extreme heat the ideal... copy for innovate manual on sensor placement:
On TURBO CHARGED vehicles:
Install the bung downstream from the turbo but before the catalytic converter. The high exhaust pressure before the turbo interferes with the lambda measurement and the high exhaust temperatures encountered there can damage the sensor.

And about taping ecu wires thats only for simulating narrowband and sensor must be placed on the front o2 location or logging AFR values.
 
Yes that's what in after I want to place it in my front o2 housing. my question is what wires do I splice or tap Into to simulate the NB to the ecu while maintaining the wideband gauge functionality
 
Since you have v2, you can't use the software to simulate the narrowband. That new unit you got also does not have a 0-1v analog output, so you can't feed anything into the front o2 pin to simulate a narrowband signal.

If you upgrade to v3, you can feed the yellow wire (0-5v analog out) into the front o2 pin and use the software to simulate the narrowband signal. If you don't upgrade, you'll have to sick with the factory front o2 sensor.
 
Ah I understand now. would I be on the same dilemma of I used he rear o2 sensor location or is the front one better? I guess I should just upgrade this dsm link I got it for pretty cheap. Thanks for your guys input
 
If you still have a cat, you don't want to put the wideband in the rear o2 as the cat will mess with the readings.

But, that would be a better place than the front as you could input the wideband wire into your ECU via the rear o2 input and still have the working front o2.

Upgrading the v3 would be the easiest way. Just keep in mind the emissions implications with either of these paths, as I see you're in Cali.
 
Use a heat sink for the sensor in the stock location. I've had it there for over a year an half. Still accurate. I got mine off of a Chevy equinox it was on there o2 sensor. It was warrenty work so didn't feel bad.
 
Put it in the front location, upgrade to v3 use the narrowband simulation, and toss the rear o2 simple and effective.
 
P04 or P06 on the aem wideband simulates narrow band for the ecu. You've got to turn the dial in the back of the gauge.
 
Get a bung welded into the downpipe in the space btwn the engine block and firewall. Tap into the rear O2 sensor wiring for logging and leave the front o2 sensor alone for proper closed loop operation.
 
I have ran it both ways, here's my thoughts:

--Only run WB in the OEM NBo2 location: Average lifetime was a year for the sensor, not too bad.

--Welded 1 foot further down in the DP so I could run both the NB and WB at the same time. I liked this more because it allowed me to get my cruise and idle dialed in a lot better.

I would say run both if you can.
 
I upgraded my v2 to v3 and I had a dsm guy here in Vegas mess with it, he put the Wideband in the O2 housing where the stock one was located. It reads fine but from what I have read in searching other threads, the life of the sensor is greatly diminished due to the excessive heat?
 
I have run mine in the stock location for 3 years. Just replaced it due to lazy readings. I had one installed just passed the flex pipe. At that location, it seemed to react a little slow. Replacement sensors can be bought for around 50.00 with a year warranty.
 
I have my sensor in the rear O2 spot. Logging it in Link I see about a 2 second delay between the AFREst and the wideband. It's annoying trying to tune it. Forget running a narrowband sim either unless you decrease the ECU reaction time for correction.
 
I've ran mine in the stock O2 location for years with no issues. I'm using the mtx-l and narrowband sim thru ecmlink. The only time Ive had a sensor fail was when I was running 110oct race gas. For some reason it doesn't like the lead and kills it. But stock O2 location for 5-6 years now and no issues!
 
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