RomRaider

Not new to tuning (used OS to tweak and "correct" stock tune my 09 LGT) but new to the 2.5i specifically a 08 Legacy 2.5i 5MT ECU ID EZ1D302C. Going through trying to figure where to start to eliminate the revs holding between shifts? For me it more annoying than helpful having learned to drive manual on a C50 hay truck I looked at the DBW and Misc tables but they dont appear to be what/where I need to make the changes. Upshifts only as I rev match downshifts always (may not matter)

Thinking through what occurs while changing gears you let off the throttle, press in the clutch, change the gear, let out the clutch, and back on the throttle. Is there some logic to the effect of : while RPMs are rising or above a certain value and clutch switch circuit is closed/open hold RPM? Ive tested thru the situations on the street in any gear between shifts the RPM hold at the shift point until you fall below a certain speed then they will drop off.

A better way to describe it is if you accelerate and attempt a shift but do not shift and have the clutch pressed it holds the revs until you coast below a certain speed. Speed varies per gear it seem.

With all that said I started looking at the DBW, Idle Speed and Misc tables.

Any pointers would be great, also I wasnt sure what to log to further help figure out what to change .

thanks

some of the 32bit roms have the table defined for desired overrun airflow, it could be the ECU is popping the throttle a little too much and causing the rev hang?

If you send me your rom ill map it out and send you back the new definition file for ecuflash. or if you pin your rom in the thread ill give you the name and address.

see attached file thanks!

any suggestions?

So i should look at the MAF Voltage tables?

no it's not MAF voltage, it's how much air the ECU is requesting on overrun/idle that needs adjusting. There's a table for it but looks like it's not been defined yet for your car.

Makes more sense. SO perhaps from Subaru for this model they program to request a certain amount of air for various reason btwn shifts, when you let off the throttle it keeps the plate open.

Should I request the table be defined first, then wait to see if/when it does then continue?

One other question what could I log to give some data feedback to what is going on between shifts?

Would the engine load compensation table be a good starting point?

sorry i missed you post. i thought you would have PM'd it to me
The table is now mapped along with AVCS.

Use these two files in ECU Flash and you should be golden. The table your lookign for is called.

Target Throttle Angle Idle Airflow Target Base Minimum

Let me know if that helps.

WOW! Just donated $25 CAD thanks for the help!



So between a shift requested torque is 0 but engine speed would be dropping and the throttle position should be 0 as well, right?
Should I alter some the cells that are a at 100 to lesser values across the RPM range to start?

The way it was explained to me by TD-D was those 100% values reduced will fix your throttle hang. Ping Pickler he just did it on his car. If you need access to more of the rom just let me know. I dont work for the Romraider team but im always happy to help.

Will do thanks!

I know this was couple of years ago but having the rev hanging issue on a 09 Forester EZ1G107M.

Could anyone point me in the right direction in tuning this out?