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| Forced Induction Turbo, Supercharger, Methanol, Nitrous |
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02-21-2017, 01:03 AM
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#1 |
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Technical Problem, JRSC 2015 BRZ
Ive got a question, I've tried to figure this out but i can't. My car ran good for about 5-6 months but all of a sudden started acting weird.
-Runs a little rich(13.4) on cruise -Spikes too lean on WOT thus not delivering power -on e85, does NOT turn on unless i baby it until it stays on -on e85, runs way too lean on WOT and then corrects itself when rmps go past 3200. what i have on it is -Jackson Racing C38 supercharger -JR dual radiator-oil cooler -Crawford AOS -Delicious Tuning Flex Fuel -UEL header with Full Bolt ons -DWs 300 Pump -DWs 700cc Injectors -Delicious MAP sensor tried disassembling and reassembling fuel pump but still nothing SOMEBODY PLEASE HELP 
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02-21-2017, 01:47 AM
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#2 |
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bad primary o2 sensor and/or exhaust leak.
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02-21-2017, 01:51 AM
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#3 | |
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Quote:
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02-21-2017, 03:44 AM
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#4 |
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I had similar symptoms of the car all of a sudden running lean on e85. My fuel trims went extremely positive trying to compensate and eventually threw a lean code. I have similar mods as you: JRSC, DT flex fuel kit, DW injectors and DW Map sensor. I initially thought it was an exhaust or intake leak somewhere but that checked out okay. I ended up sending an idle log to zach@delicioustuning and he determined my ethanol content analyzer (black box) had gone bad. We replaced it and we were good to go again. I would look into that as it's a pretty easy thing to rule out. Good luck!
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02-21-2017, 06:00 PM
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#5 |
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Join Date: Sep 2015
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thank you! im going to try that
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| Tags |
| crawford, deatschwerks, delicious tuning, e85 flexfuel, jackson racing |
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