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> ST185 swap fuel/air ratio, Getting black smoke from my exhaust
post Sep 24, 2018 - 9:36 AM
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ManpreetS512

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QUOTE (slavie @ Sep 21, 2018 - 12:47 PM) *
Innovate SCG-1 is one I've been looking at myself. There are competing offers from other makers as well I'm sure, but Innovate guys seem to be near the top right now from what I've read.
https://www.innovatemotorsports.com/products/scg1.php

The thing also has an analog out to feed back to the stock computer in lieu of the stock O2 sensor, but I don't know how easy it is in practice to emulate an output the stock ECU will be happy with.
I know that there was also an offering from AEM at the time Gen2 3SGTE was in it's prime that was pre-programmed to feed the "correct" signal out to the stock ECU, but I doubt there is a solution that does that AND has EBC functionality.


Thank you for this recommendation. I'll look into this as well and see what AEM options are too.


QUOTE (NgoFcukinWay @ Sep 21, 2018 - 1:36 PM) *
that wideband may have been used to plug up a temporary hole or it was used at some point in its life. Not entirely necessary for your application at the moment unless you go standalone to delete the factory narrowband o2 sensor to run strictly off of the aftermarket wide band.

Do you have the factory o2 sensor in place? If you don't have one, wire one in. They're usually a 3-pin or a 4-pin connector depending on how the harness was done.

Also see if you can borrow another AFM and test that as well to see if it's faulty.

Occasionally, you'll get codes hiding even when the CEL isn't on.


I do have the factory o2 in place but it is a single wire. Located on the top portion of the downpipe. It's in the pictures that I shared - viewable from the engine bay.

I don't know anyone with an MR2 or Celica with this AFM in order to test (I live in Holly Springs, NC). Toyota doesn't make new or remanned ones any more so I would have to buy from eBay and test but not sure how reliable it will be since people just sell used units with no return.

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