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04-09-2021, 02:37 AM | #15 |
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What the hell. Either I am super unlucky with Ethanol or the sensor is bad. Either way, i'm fucked. I topped off with the E85. I mean, it still drove fine though. Fuel trims were a bit lean though as soon as the 'E85' started going through the lines. Even if it was bad E85, wouldn't my sensor reading something other than 10%?! It has to go up a few numbers at least.
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04-09-2021, 02:42 AM | #16 | |
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Here's a small log. Not a cold start log but a small driving one. Do you see anything out of place while I wait for my tuner to wake up and reply to my email. |
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04-09-2021, 05:21 AM | #17 |
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yes, i can see you have ethanol, BE VERY CAREFUL going to open loop .. do not WOT your car at the moment as i don t think the "cl fuel correction %" will keep up with the fuel demand on hard pulls, timing will be low but will go very lean
unless tuner did something superwrong in the sensor scaling (very unlikely) i think sensor went bad and it's keeping the minimum scaled amount Last edited by tomm.brz; 04-09-2021 at 05:31 AM. |
The Following User Says Thank You to tomm.brz For This Useful Post: | kev0 (04-09-2021) |
04-09-2021, 05:51 AM | #18 | |
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https://www.amazon.com/ACDelco-13577.../dp/B01GQR9C5O Thinking about just swapping it out with this one Last edited by kev0; 04-09-2021 at 06:08 AM. |
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04-09-2021, 06:14 AM | #19 |
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can' t help you in that
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The Following User Says Thank You to tomm.brz For This Useful Post: | kev0 (04-09-2021) |
04-09-2021, 11:22 AM | #20 | |
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Before you change sensors out, test your fuel. If the results are significantly more ethanol content than what your gauge reads and what your ECU is reading, then there's still the possibility that water is affecting the sensor and replacing it will not fix the problem. However, if the sensor IS bad or there is water present and you actually have E85 in your tank, then your engine would not be running properly if at all. All of your evidence is pointing to the probability that there is only 11% ethanol content in your fuel. TEST YOUR FUEL. |
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04-09-2021, 12:34 PM | #21 | |
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04-09-2021, 12:52 PM | #22 | |
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his tune was good before, and now he has 35+% of LTFT and a super lean open loop state Change ethanol sensor |
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04-09-2021, 09:53 PM | #23 |
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Welp, it's not the tune and the gas is definitely ethanol. I'm all out of ideas. It's just problem after problem with this car.
Really hoping it's just a bad flex fuel sensor. |
The Following User Says Thank You to kev0 For This Useful Post: | tomm.brz (04-10-2021) |
04-11-2021, 02:42 PM | #24 |
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Fixed it guys. It was a bad flex fuel sensor. Strange.. I thought these things never failed. As soon as I replaced it, the sensor started reading ~E65 which is what the mix was.
Last edited by kev0; 04-11-2021 at 03:14 PM. |
04-11-2021, 04:12 PM | #25 |
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Old sensor got drunk / became alcoholic from ethanol. You could no more believe to what he said
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04-18-2021, 02:32 AM | #26 |
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Yea Zach knows his shit. He tuned my car when I had your kit the car drove fantastic. As other mentioned Zach won't got to E till the car's tune is dialed in on pump
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2013 Series 10 FRS #553
RCE T2's, SPC LCAs -4/2.6 camber JDL 4-2-1 EL, FP and OP, Tuned by Zach@CSG on e85 RR Wilwood Front/Rear Sport BBK, Motul 600 Fluid ARC-8 17x9 SX2 GTs 245s/Koing 17x8 v730's 225's |
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