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Power FC power fc settings? am i just running on base map?

Old 01-30-11, 10:12 AM
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power fc settings? am i just running on base map?

Originally Posted by RX7_FD3S_JDM
Right guys, ever simce i bought my twin turbo FD3S ive had the problem that it only revs up to 4-5000 rpm. Ive always put it down to the second turbo not kicking in because of dodgy hoses/solenoids.

Now after browsing through the commander im thinking that the ecu hasnt even been mapped and is just running on a base map

heres a quick video of my browsing through the settings menu. Sorry but you may have to pause it as i had very little memory left

http://www.youtube.com/watch?v=ra4d3WHohSg

if you cant see, everything seems to be set on zero
...
Old 01-31-11, 11:10 AM
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Wow almost everything looks way way off for some odd reason. You need to reinitialize the whole thing, that will reset everything. Do you have mods or mostly stock? You should be okay if you are mostly stock after you reset it.
Old 01-31-11, 03:54 PM
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Originally Posted by RX7_FD3S_JDM
...
invest in a datalogit..
Old 01-31-11, 10:45 PM
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Looks like a map downloaded on the web that has been corrupted.
Find a real PFC tuner or owner and have them check it out.

Could be a bad Commander or PFC or a corrupted map loaded into yout PFC.
Old 02-01-11, 02:12 AM
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It was apparently mapped by a rotary specialist. But looking at the commander i reckon the lad who sold it to me must have wiped all the settings clean or something.

I now have it booked in at dragon performance on friday so they should sort it
Old 02-02-11, 06:26 AM
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That is what happens when all the screens are protected, this stops the user from making any changes with the commander. Only way to unlock them is with a Datalogit
Old 02-02-11, 10:20 AM
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ah the guy i bought it off did say that the commander was locked out by the guy that did the remap so he couldnt mess it up.


so why does my car sound like its limiting at 4-5000 rpm?
Old 02-02-11, 10:26 AM
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that makes sense, I never protected anything with my datalogit, I didn't know it would look like that. check/replace spark plugs lately?
Old 02-02-11, 10:47 AM
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they were changed when the map was done and hasnt done many miles since.

i swear it hit a limiter at 4-5000rpm in 1st gear
Old 02-02-11, 10:58 AM
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You can limit the RPM's to anything you want with the PFC, sounds like the tuner capped it at 4500rpm for break-in purposes. Testing it is pretty simple, try free revving it to 6K in neutral.
Old 02-02-11, 11:04 AM
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pretty sure it will rev past in neutral
Old 02-02-11, 01:35 PM
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If it does then the rev limit has not been lowered. If it falls on its face at 4500rpm under load then it is a secondary injector issue, one or both not opening.
Old 02-02-11, 02:15 PM
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dont the secondary injectors turn on around a certain injector duty cycle, which ends up being around 3k-4k rpms depending on load? lower than 4-5k rpms
Old 02-02-11, 03:34 PM
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You sure its not the secondary turbo coming on at ~4500 RPM lol

edit: after reading your post again your saying the second turbo isn't working. If thats the case, its probably related to that and ignore the PFC for now. Fix the 2nd turbo, then worry about computer later. Don't reset the powerfc as that will delete the tune on it and got back to base map.

thewird
Old 02-02-11, 09:48 PM
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Originally Posted by tom94rx-7
that makes sense, i never protected anything with my datalogit, i didn't know it would look like that. Check/replace spark plugs lately?
ditto
Old 02-02-11, 09:53 PM
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I agree it seems more likely it could be the sequential twin turbo system not working right, like a bad solenoid or something. I never had any problems with my sequential setup so Idk. If you go full throttle and get a problem around 3k-3500 rpms, then its probably something with your secondary fuel injectors.
Old 02-03-11, 04:34 AM
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You can take the turbos off the car and it will not prevent the engine from reving past 4500rpm. There is nothing in the sequential system that will limit the RPM. You do not need to have a functioning secondary turbo to reach redline.
Old 02-03-11, 10:31 AM
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Im gonna make a video of the dials and of the PFC when it cuts out at whatever revs it does, then hopefully that will paint a slightly clearer picture for you guys.

Probably wont be able to to this until Saturday night.

Ive cancelled the remap for now as theres no point if my secondary injectors are buggered.

Will keep you guys updated
Old 02-03-11, 03:52 PM
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So you can't actually rev past 4500 or you lose power at 4500 at wot? If you can't rev past then its most likely secondary injectors.

thewird
Old 02-05-11, 05:11 PM
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Originally Posted by thewird
So you can't actually rev past 4500 or you lose power at 4500 at wot? If you can't rev past then its most likely secondary injectors.

thewird
Its really strange, 1st gear sounds like a limiter and the other gears it just wont rev beyond that certain rpm (4-5k)

sensors seem to be in working order?


I will try to get a vid tomorrow of it going flat etc
Old 02-09-11, 11:39 PM
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The is a nifty little 'Group' that allegedly has some secret tuning bits, for the PFC...

PM cewrx7r1 about it
Old 02-10-11, 07:53 PM
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Im pretty sure the same problem happened with mine before. When id hit my wall you really felt it. Hurt inside every time it happened. I checked all vac hoses around the solinoids and reset/reloaded the same map... not a problem since.
Old 02-24-11, 01:44 AM
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the prob seems to be getting better. I mean sometimes it revs all the way round

bloody annoying when it doesnt though
Old 02-24-11, 04:39 AM
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I imagine.

Just out of curiosity, you ever determine if you're running on some Quasimodo base-map or not?

I'm still looking for a damned for a S.Port w/ 850s all round... NSL.
Old 02-28-11, 10:47 AM
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Also be wary about trying to TUNE it with a different version of the FCEdit - A couple people have found that certain things seem REALLY outta wack, when they do that.

If nothing else, acquire the latest version and (if you haven't adjusted or modified the on-board map, yet) flash it with the newest version's 'Default' map.

Had about the same problem as you so I did the same thing with our track car and it worked great.

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