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Forced Induction Turbo, Supercharger, Methanol, Nitrous |
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05-14-2014, 09:00 PM | #29 |
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So you are saying even without specific maps in Ecutek to take advantage of it, the car is learning based off the wideband rear O2? Or is the ECU setup to use the signal? I'm going to try and get my failsafe installed this weekend.
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05-15-2014, 12:28 AM | #30 |
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Found the problem, either I overlooked this reading how everyone else did it or my car just had to be different.
I noticed while testing my new 700cc Injectors to ensure they sealed that my throttle body sounded like it was moving. There was an audible noise like it was going back and forth between slightly opened and closed. I decided to disconnect the Wideband and it went away, plugged it back in and it came back... cut the signal wire for the Wideband and it kept doing it.. cut the power wire and it stopped.... I have now completely rewired the AEM and only connected the singal wire to the Rear O2 harness. No more noises from the Throttle Body and everything appears to be working. I have the injectors in but after all that my back hates me so I am going to wait until tomorrow to install the new fuel pump and take it for a spin. But this goes to show do not power and ground the AEM through the rear O2. Or if you do don't ground it here maybe that is the issue... I didn't test that. Do the following and it will for sure not effect the TB; 1) AEM White Wire to Rear O2 Blue Wire (Signal) 2) AEM Brown Wire to Rear O2 White Wire (Ground for Signal Ref) Put the Red and Black AEM wires to a different power and ground or test your luck with using the Black 12v power in the Rear O2 and grounding the AEM Black wire to the chassis, it might work.
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05-15-2014, 09:35 AM | #31 | |
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Brown wire same ground as everything else (bolt that holds fuse box inside cabin). Ecutek log AFR is spot on with AEM gauge readings.
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02-26-2015, 12:11 PM | #32 |
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Edited my post as I just realized I asked what you just answered in the previous post lol. So where is the ECU ground, is it a specific wire in the ecu connectors or another location around it? Thanks
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02-26-2015, 12:54 PM | #33 |
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would love to do something similar for OFT.. anyone have experience w/ this kit in particular and OFT? @steve99 , @Kodename47
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02-27-2015, 12:18 AM | #34 | |
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http://www.ft86club.com/forums/showt...t=57902&page=7 Option B Just rescale the front sensor , not rearly needed for NA cars though. http://www.ft86club.com/forums/showthread.php?t=82875 on an OFT Front 02 sensor is "AFR" REAR 02 sensor is "Wideband AFR" shiv was going to put out a plug and play wideband kit but it died off for some reason. |
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The Following User Says Thank You to steve99 For This Useful Post: | Koa (02-27-2015) |
02-27-2015, 09:59 AM | #35 | |
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02-27-2015, 10:31 AM | #36 |
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There are tons of people out there using OFT so maybe get a thing going and he'll push it through.
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02-27-2015, 10:45 AM | #37 |
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Option A that steve furnished seems to be a great route, going for that one
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08-30-2016, 05:32 PM | #38 | |
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08-30-2016, 06:23 PM | #39 |
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There are settings that need to be zeroed out if you repurpose the rear sensor input or remove it completely. I would expect that would clear the issue as the secondary sensor does impact fueling.
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