Data Logs! Post them here.

[steve99]

Originally Posted by Nobunnyhere.86

it is a stage 2 EL E85 tune . and could a leak around the headers cause an issue like this?? I took it to a shop because I heard some hissing when I put my foot down but the guy told me he didn't here anything so he didn't care to lift it . its been a while its been happening its like a small hiss not to noticible but I daily my car so I notice every little thing . and yes stock injectors

open a petrol tune and the e85 tune in romraider


check the injector port injector scaling BRZ parameters
petrol should be 228 I think and e85 should be different by about 30% ie 168 or so im just going of memory

[Nobunnyhere.86]

Originally Posted by steve99

open a petrol tune and the e85 tune in romraider


check the injector port injector scaling BRZ parameters
petrol should be 228 I think and e85 should be different by about 30% ie 168 or so im just going of memory

okay so I opened EL stage 2 93 and it shows 228.05 , and for the E85 it shows 171.10

[Nobunnyhere.86]

also quick question how bad would it be to check if I have a faulty MAF sensor by unplugging it while the car is on and at idle? would that be a no no?

[steve99]

Originally Posted by Nobunnyhere.86

also quick question how bad would it be to check if I have a faulty MAF sensor by unplugging it while the car is on and at idle? would that be a no no?

don't think it will hurt , but im not sure what it will tell you.


maybe swap in a friends maf sensor

[Nobunnyhere.86]

I'll try a friend's or get one off a Subaru Forrester it the price is better at a auto shop . Other then the MAF showing zero was there anything you would say is bad? Or could it all be caused by this pottentialy bad sensor?

[Nobunnyhere.86]

Originally Posted by steve99

don't think it will hurt , but im not sure what it will tell you.


maybe swap in a friends maf sensor

So i unplugged it this morning while the car was running, car did boggle out a little but stayed running. i plugged it back in and it went back to normal. i did get a check engine light so i ran the 3 codes and it read
P0113=IAT Sensor Circuit High Input
P0102= MAF low voltage
P2097=Post Catalyst Fuel Trim too rich (bank 1).

Im guessing if it pulled a code for low voltage then there is voltage? correct me if i am wrong

[bababooey]

any values detrimentally wrong with these logs?

are the most important readings knock correction, flkc, & afr?

SHORT RUN - 3rd gear long uphill, single small knock event-> http://www.datazap.me/u/n8brz/tx-rr-...a=1-2-5-8-9-13

LONG RUN - varying engine loads, uphill & downhill, multiple knock events, http://www.datazap.me/u/n8brz/tx-rr-...=1&data=1-5-13


Thanks,

[Tor]

Originally Posted by bababooey

any values detrimentally wrong with these logs?

are the most important readings knock correction, flkc, & afr?

SHORT RUN - 3rd gear long uphill, single small knock event-> http://www.datazap.me/u/n8brz/tx-rr-...a=1-2-5-8-9-13

LONG RUN - varying engine loads, uphill & downhill, multiple knock events, http://www.datazap.me/u/n8brz/tx-rr-...=1&data=1-5-13


Thanks,

It's running way too rich. So rich, that it's below the o2 sensor limits despite the fuel trims not being very high. Do you have an aftermarket intake?

http://www.datazap.me/u/n8brz/tx-rr-...4&zoom=327-481

Knockwise, it's fine.

[steve99]

Originally Posted by Nobunnyhere.86

I'll try a friend's or get one off a Subaru Forrester it the price is better at a auto shop . Other then the MAF showing zero was there anything you would say is bad? Or could it all be caused by this pottentialy bad sensor?

Maf sensor is probably ok, if it showing zero it likey an oft logging issue
Car would barly run and throw cel codes if maf voltage was zero all the time

Forrester maf will likely be different , you would need to try one from a brz\86 as a test

[Nobunnyhere.86]

Originally Posted by steve99

Maf sensor is probably ok, if it showing zero it likey an oft logging issue
Car would barly run and throw cel codes if maf voltage was zero all the time

Forrester maf will likely be different , you would need to try one from a brz\86 as a test

http://www.datazap.me/u/nobunnyhere8...s?log=0&data=1

new logs. I'm not too good at reading them still learning . and thank you for the reply. i called Toyota today and they had told me they can warranty out the MAF sensor so i will have to run my e85 out and flash back to stock tune be for i go in.

[Nobunnyhere.86]

http://www.datazap.me/u/nobunnyhere8...&data=1-3-8-11


Last one , this is a 1st to 4th gear norm driving

[steve99]

Originally Posted by Nobunnyhere.86

http://www.datazap.me/u/nobunnyhere8...s?log=0&data=1

new logs. I'm not too good at reading them still learning . and thank you for the reply. i called Toyota today and they had told me they can warranty out the MAF sensor so i will have to run my e85 out and flash back to stock tune be for i go in.

Everything looks ok except for the high fuel trims and its running rich upper rpm.

A lot of cars run that rich on oft tunes on e85 safe but costs a bit of power

Also the oft tunes are done for about 70% ethanol so if your on e90 you will get high positive fuel trims

So the only thing that concerning is the 16% fuel trims, now you couls have very high ethanol content e85 like 90%, can you test it ?? The test kits are only about $20 you just mix some e85 with water and you can work out the e% . Or google ethabol percent

Your car may be fine. Might just be very high ethanol content

You can test here if you have a 100 ml craduated container

https://www.google.com.au/url?sa=t&r...6im9_2VMYtqppA


I think you ok its just you high ethanol content e85

Were your fuel trims ok on petrol ??

[Nobunnyhere.86]

Originally Posted by steve99

Everything looks ok except for the high fuel trims and its running rich upper rpm.

A lot of cars run that rich on oft tunes on e85

So the only thing that concerning is the 16% fuel trims, now you couls have very high ethanol content e85 like 90%, can you test it ?? The test kits are only about $20 you just mix some e85 with water and you can work out the e% . Or google ethabol percent

Your car may be fine. Might just be very high ethanol content

You can test here if you have a 100 ml craduated container

https://www.google.com.au/url?sa=t&r...6im9_2VMYtqppA


I think you ok its just you high ethanol content e85

Were your fuel trims ok on petrol ??

I never logged on patrol, I will once I am out of e85 for my switch back. and well I am glad to know everything else looks to be okay . thanks for helping ill keep you posted if I find out anything.

[bababooey]

Originally Posted by Tor

It's running way too rich. So rich, that it's below the o2 sensor limits despite the fuel trims not being very high. Do you have an aftermarket intake?

http://www.datazap.me/u/n8brz/tx-rr-...4&zoom=327-481

Knockwise, it's fine.

no stock intake with k&n, then perrin inlet tube. other than wasting a little gas, is running a bit rich terrible?

from what ive read it seems running too lean (too little fuel) can be dangerous, while rich (too little air) just leaves a little power on the table. correct me if wrong, i may have those backwards. my car seems to run rich from prior feedback from Steve, Im trying to understand why and if tinkering with the maf scaling could correct it.