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Old 11-30-2019, 08:57 PM   #1
solidsnake11
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delicious tuning flex fuel

C

Last edited by solidsnake11; 11-23-2020 at 03:48 PM.
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Old 11-30-2019, 09:52 PM   #2
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are you talking about the one that replaces the rear o2 sensor (the black plug)
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Old 12-01-2019, 05:52 AM   #3
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Originally Posted by solidsnake11 View Post
I bought a delicious tuning flex fuel kit at a scrap yard and the end that plug into the 02 sensor has only one grey wire. Could someone post a picture of that plug showing the wires.
Thanks

Ok that sounds like a 2017 + compatavle kit.


With the 2017+ cars you could not source the volts and earth from the rear 02 like you could on earlier cars. With the earlier cars signal volts and earth all sourced from rear 02 made very simple imstall



So the single wire going into the rear 02 socket is likely the sensor\signal wire back to the ecu.


What tune sysstem are you using to go flex ?? If its oft it doesnt support rear 02 conmect, you will need to reroute the sensor\signal wire to evap input on ecu


If ecutek it will accept either
And oft doesnt support 2017+ cars either







Hopefully thte kit has the volts and earth conmections that you will need to make
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Old 12-01-2019, 01:33 PM   #4
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Quote:
Originally Posted by solidsnake11 View Post
Thanks steve,
I think the wires got pulled out of the unit.
I have the kit with fuel pressure. It has 3 wires to the rear O2 sensor. Then an additional ground. If it has had a wire pulled out probably least of your worries as it looks like the corrosion has taken out a chip.

Edit: Mine has nothing installed on C7, but chips on R1 and L3 just to the right of TP10 where the power comes in.

Last edited by Grady; 12-01-2019 at 01:39 PM. Reason: Looked closer
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Old 12-01-2019, 06:09 PM   #5
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Thanks steve,
I think the wires got pulled out of the unit.
Attachment 183122

Hmm that circuit board looks like its got water damage, ie its been wet with power applied looking at that white corrosion, not sure how you will go with it
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