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Scion FR-S / Toyota 86 GT86 General Forum The place to start for the Scion FR-S / Toyota 86 | GT86 |
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12-24-2021, 05:40 PM | #1 |
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New ECU regulations in CA?
I have a 2013 FR-S with a tuned ECU (I'll explain). My smog is coming due and I'm concerned that I will fail smog because the ECU is supposedly tuned to remove the well-documented torque. I say supposedly because it came with an ECU flasher and I was told the work had been done. Can I reflash it back to the original? Will the smog tester know or am I ok reflashing it back to the original specs?
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12-24-2021, 05:45 PM | #2 | |
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12-24-2021, 07:34 PM | #3 | |
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12-25-2021, 06:07 AM | #4 |
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I just smogged recently and passed just fine after flashing back from an Ecutek tune to the stock base tune
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12-26-2021, 11:48 AM | #5 |
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12-26-2021, 12:55 PM | #6 |
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Then it is pretty easy to use that OpenFlash tablet to restore to stock. After smog, reflash the tune if you want.
I went back to stock recently. I used Tactrix, which is a bit more difficult but not hard.
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12-26-2021, 07:55 PM | #7 |
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I'm so glad i'm leaving CA soon. It's so silly to have to deal with this stuff
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12-28-2021, 10:53 PM | #8 |
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The reflash was insanely easy. Now, after reading my ECU I see there's a PO420 code. I have 3 options...
1) New catalytic converter. Yeah, no. 2) O2 bung. I wonder if the smog technician will open the hood and inspect it. I haven't had a chance to really see where it is or if it would be obvious. Does have a picture of where exactly it's located? 3) Citric acid wash. I've done this before and it works incredibly well. Cat soup anyone? |
12-29-2021, 09:43 AM | #9 | |
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You won't pass a real smog visual with an aftermarket header. I recommend either buying a used one or borrowing one and swapping it. The header itself on the FA20 engine has a catalytic converter, along with the front pipe. The only exhaust emissions sensor is located on the header; it's near the header-to-overpipe connection. In the area pictured below, you'll find a pair of twin connectors (one black and one gray); these are for the Heated O2 and AFR sensors on the header, respectively. P0420 deals with the black O2 sensor; follow the black sensor connector and wire down on the left side of the engine |
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12-29-2021, 09:45 AM | #10 |
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I left 3 years ago..
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12-29-2021, 12:26 PM | #11 | |
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12-29-2021, 08:42 PM | #12 |
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The Following User Says Thank You to EndlessAzure For This Useful Post: | soundman98 (12-31-2021) |
12-29-2021, 09:08 PM | #13 | |
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12-31-2021, 04:16 PM | #14 |
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