will15
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Posts posted by will15
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I don't know whats going on now I just tried 0 desired boost and still commands 100% dc and it's all ways at the 4000rpm
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just did all that's recommended in the starting point list, plus changed auf2776 back to 100 and still the same.
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well im just gonna leave the car sitting on the dyno until we have a brain storm
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I would have it sorted now if it stopped its silly under boost business I did what I told it to lol.
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- if we sort this might good be a starting point?
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just run it up on the dyno with your suggestions and its still doing it.
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ok still can't find auf1679 even in search bar
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Quote11 minutes ago, Roland@pcmtec said:
Ok so lets confirm all of these are set and give it another go as lots of people have full open loop working on the FG.
P1227 MIL Lamp
auF1328 P1227 Fault Filter set it to 255
auF1193 P1227 Fault Filter set it to 255
Over/Under boost
auF1898 Open Loop duty cycle for underboost set it to something like 40%
auF1679 Underboost Threshold - set entire table to something like 40-100
auF0296 Overboost required for open loop - set this to something like -40 to -100
PID Gain tables
auF0286 Boost Integral Gain - set entire table to 0
auF0287 Boost Proportional Gain - set entire table to 0
Zero all of these gains
auF16555, auF16567, auF16552, auF16519, auF16453, auF0289, auF0288
For good measure set auF16551 TPS vs RPM scaler to 1.0 everywhere other than idle.
ok iv done all that but there a few tables I don't have auf1193, auf1679, auf16551
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1 minute ago, Roland@pcmtec said:
Set your overboost (auF0296) to -100 and your underboost to 100. You have a positive number in overboost currently, which means it is stuck in no mans land of simultaneously having over and underboost.
I tired it both ways after our convo yesterday, one way no duty cycle the other way under boost kicks in and 100% duty cycle
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2 minutes ago, Puffwagon said:
As you should. This can be done quite quickly by logging map, wg duty cycle and boost error. You can also wing it by watching your boost gauge if you're feeling deadly.
What turbo are you running?
im logging all that and on a dyno, it's a gtw3684r external gate
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8 minutes ago, Roland@pcmtec said:
Your file has -100, try setting it to 100.
I have, it gives me no duty cycle then
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23 minutes ago, Puffwagon said:
Haha I was just dropping the lad at school but had already written this 5 minutes ago.
Running in open loop is a bad idea if you want accurate boost control as a cold night will add a few psi over a warm day. If you are at a boost level on 98 octane that wont allow more timing then you will have issues with detonation.
From what you are saying it seems that you should run the factory boost control as it was intended with a mixture of open loop and closed loop.
I would like to dial in open loop before I even consider closed
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23 minutes ago, Roland@pcmtec said:
It won't work like this. It will use the number in auF3184. So if you set this table to 100 then it should never trigger an underboost scenario. Normally it would trigger 100% duty cycle only until it is out of the underboost condition. The fact you have zero'd all your PID gains is why you are having issues.
If you leave closed loop boost control enabled, you will have better results and you won't have to mess around with these tables. Is there any reason you don't want to run it?
if I set that table to 100 there is no wgdc at all, did you look at my file?
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I will give it a try, but there are a lot of tables that say they will do things but must get over ridden. Eg max wgdc I set that to say 70% for some safety but it just dose nothing. Answer to Roland I just don’t like the fact that if at any time ( if something go’s wrong) the ecu see’s even 1 psi of under boost it will give 100% dc, this is a large turbo and will pump out 35 plus psi.
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- ok no worries, the only way I can stop it from doing it is to make the desired boost table lower then actual. But I just find that a shit way of going about it.
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I just change auf3184 the other way and still the same
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just tried both ways one still would go 100% dc and the other gave me zero dc all the time.
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I have zeroed out all the pid, I want to run open loop with out it all of a sudden giving 100% dc
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under boost setting 100% duty cycle
how do I stop the ecu from commanding 100% duty cycle when it see's an under boost condition?, I have read the how to.
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ok iv been tuning with hp tuners and im finding it hard cross over and to now what tables are the same in pcmtec. is there a way I can tell if the tables are the same because there are a lot of tables named different things and some I can't fined. In hp there is a ecm number for each table the same as efi live, is there any where in pcmtec that there is this table number.?
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2010 fg xr6 turbo, ok no worries I thought we could do it with all cars. I’ll email the files to get the beta software
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UPDATE boost by gear is available here:
How do I go about adjusting boost by gear, I noticed there is only the wot adder and muiltplier tables the same as hp tuners, I hope there’s more to it then that?
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Is there anyway I can turn off the over boost and under boost threshold, and just tune the duty cycle table.
HOWTO: Open Loop Boost Control (FG)
in Falcon HOWTO Guides
Posted
tried 1 for auf0287 still the same, 4000rpm 100dc, no codes