Do any of the settings things work on the Power FC commander? I bought my FD with a commander installed and the dude that sold it to me didn't give me the instruction manual.



My idle is fluctuating between 600 and 2000 rpms in about 1 second cycles. It does it a lot for a few minutes at a time. People tell me its either Fuel problems, vaccuum leaks, or MAP problems. (I noticed while monitoring fuel inj. duty cycles that it would cycle between 7% and 0%!!! Isn't my car not supposed to drop to 0% cycles when its running?!! Isn't that bad? Help!)



Does the rev/idle settings help fix this?



There is a boost/inj duty setting. Is this how I raise/lower boost?



I would love to get a MAP setting for my car. Its got a lot of mods, and it seems like a lot of problems. I was hoping my PFC commander could make them go away (the problems).



Thanks for your help guys.

 

Sounds like it didn't learn correctly. Screw the idle air screw (under intake elbow near charcoal canister)almost all the way in and reset the PFC. Let it learn the car again and you should be o.k.



Dragon posted this fix a while back.

 

My car had the same problem before. IGY posted a fix for it earlier on a different thread, but I'll just tell you how I did it(without datalogit).



Step one. Go to the map trace mode and hit the right arrow button(or the next button) I forget which one, but it's the one that highlights all the blocks in black that the PFC goes into.



Step two. Note the blocks that it idles in. It SHOULD hold steady in 2/4 or 5(2 to the right and 4 or 5 down)



Step three. Turn the fuel up 3%(if it's at 1.000 then turn it up to 1.030) in the fuel map EXCEPT the one block that it holds idle in i.e. 2/4 or 5. Keep turning it up until the highlighted blocks in the map trace mode become less and less. You'll know it's working because the idle will get better



Basically, it won't hold idle because it's too lean. If you richen the idle up in that range EXCEPT for the one idle block, the PFC will ALWAYS go into that particular block....



...don't ask me why because I don't know BUT...IT DOES WORK!



As soon as Igy explained it to me, I did it and 10 minutes later, I was idleing at 900 rpms/-400 vacuumk:

 

Hmmm, which advice do I follow? RESETTING the whole PFC seems kinda scary to me.



Monkeying around around the idle settings sounds safer.



Any comments on which ones you guys think would work better. I really can't blow an engine. Hawaii doesn't have a rotary shop.

 

Go ahead and do my fix first. If it doesn't work(which I'm confident it will) then try Chris's(dragon) fix.

 

Ok here's what I know about my car (I bought it like this.)



New motor, "street ported," 2mm apex seals, race springs (KD Rotary)



Silicon hose job on vaccuum lines, glued and zip-tied



AST deletion kit



ACT clutch and light-fly wheel



2 1300CC injectors



Greddy Underdrive pulleys



PFS Intercooler and ColdAir Intake



3" DP and RAcing Beat exhaust, 3" high flow cat



NGK plugs



Toyota Supra fuel pump



Power FC and Commander



The car idles funny. I don't know how to set boost. I am a newbie! Help me learn?

 

How do I add fuel? I'm assuming its the INJ map, correct? MAP looks wierd. I wish I had a map for my mods. I don't think the guy that sold it to me tuned it very well.

 

yes, the fuel is under INJ. That is NOT the base map, but a tuning/percentage map. You can't see the base map unless you have a datalogit. My map actually reads all 1.000 across the INJ map(DO NOT RESET YOUR VALUES TO MINE) because the new datalogit software has some killer tuning features.



Trust me, I KNOW how you feel about the fuel smell. My car idled from 600 to 1900 rpms....it was HORRIBLE. If you have driven the car around for over a day and it still hasn't learned idle, you need to do the idle fix posted by IGY(reposted by me here in this thread). As soon as I fixed the fuel with IGY's advice, I was idling steady 10 minutes later

 

Should I note the ign MAPs, ing MAPs, boost settings, etc? Will I need to reenter all this data?



Or will the PFC learn everything by itself?





I thought if it doesn't have settings, my car would blow up.



btw, I reset the PFC using ETC menu, and then choosing initialize data, right?

 

All I did was mess with the fuel map. You won't blow your car up tuning just the blocks it idles in...kinda of hard to blow a motor at -400 vacuum and 800 rpms



I DID NOT re-initialize my PFC to fix it. All I did was slightly tune the INJ map. Do not mess with boost/Leading/Trailing. All you need to do is turn UP the fuel in certain blocks EXCEPT 2 right/4 or 5 down.