[help needed] Mistake with my rusEfi

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Lyonz
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Mistake with my rusEfi

Post by Lyonz »

Hi I would like to have more information.
What's the maximum turbo pressure the rusefi can manadge.
Because, I try a lot of settings, but the samething.
The race is this sunday, and the car cut injection at 250Kpa.
I don't know why.
I also have microinjection and can not understand why?
For this problem, it is manageable for the moment.
But the cut at 250kpa, I do not understand.
At first, I was thinking of a loss of synchronization, but not there
Please someone can help me?
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AndreyB
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Re: Mistake with my rusEfi

Post by AndreyB »

What is microinjection and where on the log do you see it?

I've noticed zero MAP on record 172 which could be some wiring or any other problem? can you do couple more pulls and reproduce?

I've also noticed jumps in fuel amount / fuel duty cycle which goes above 100. Part of the jumpiness goes from "fuel: engine load acceleration extra fuel", are you trying to use this feature or is that default setting playing games with you?

People report best resuls with TPS 2 TPS acceleration https://rusefi.com/wiki/index.php?title=Manual:Software:Fuel_Control#Acceleration_Enrichment
Very limited telepathic abilities - please post logs & tunes where appropriate - http://rusefi.com/s/questions

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Lyonz
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Re: Mistake with my rusEfi

Post by Lyonz »

russian wrote:
Sat Jun 09, 2018 6:38 am
What is microinjection and where on the log do you see it?

I've noticed zero MAP on record 172 which could be some wiring or any other problem? can you do couple more pulls and reproduce?

I've also noticed jumps in fuel amount / fuel duty cycle which goes above 100. Part of the jumpiness goes from "fuel: engine load acceleration extra fuel", are you trying to use this feature or is that default setting playing games with you?

People report best resuls with TPS 2 TPS acceleration https://rusefi.com/wiki/index.php?title=Manual:Software:Fuel_Control#Acceleration_Enrichment
Hi,
I have no other log, but it makes me the same result whatever the settings that I can do.
At first I thought of a prob with the crank sensor, but accelerating the engine, I have no problem to take all my engine speed up to the maximum I have set. It happens on the road or on the dyno.
I also saw that I have "0" MAP. I was also thinking of a wiring problem.
I doubt it, because when the MAP is not plug, I have a value on the PA0 input, so imagine that we have a connection problem, I might have seen this value of 0 MAP ?
For microinjection, sorry I'm French and difficult to explain.
In fact it is the small fuel jumps that are added, I can not understand why.
And to answer the question these are the defaut setting that I used.
But I think it's because of "fuel: engine load acceleration extra fuel"... settings from https://rusefi.com/wiki/index.php?title=Manual:Software:Fuel_Control#Acceleration_Enrichment
TPS 2 TPS acceleration, How to play with?
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Lyonz
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Re: Mistake with my rusEfi

Post by Lyonz »

I did with an air compressor. I just tried with another MAP and another linearization.
Honestly, I think it's software that there is a pressure limit at 250kpa
There have already been tests beyond 250kpa? How much pressure you have already taken with?
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AndreyB
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Re: Mistake with my rusEfi

Post by AndreyB »

Actually you are right - there is an error detection mechanism which was triggering. I've just made the change to make the thresholds configurable via Tuner Studio - the default high threshold is 250 but you now have a way to set it higher. https://github.com/rusefi/rusefi/commit/6a7c5857bcced872f08fb05817789cc49d3c7b94

Sorry for forgetting about this. You are the first one to go above 250 kPa :)

Can you please post your currenttune.msq file? Want to check your engine load acceleration settings.

The only advice regarding tps 2 tps table is what is on that wiki page :(
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Lyonz
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Re: Mistake with my rusEfi

Post by Lyonz »

Hello everyone,
Thanks for the correction, but I can't test today we have a day late.
The car left to spend the day on the drag track and I made the tuning last night on dyno.
I explain to you the solution that I found. So as I told you, I understood that it was a software limit. So I made a false linearization of MAP knowing that I have a MAP of 700kpa. The goal was to prevent the software from seeing 250kpa and more.
So at the moment the car is set at 310kpa real and with the false linearization software I go beyond 230kpa, it's archaic, but it works :mrgreen: .
I will test the software rectification modification Tuesday or Wednesday.
So I'm sending you the .msq file for other
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mck1117
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Re: Mistake with my rusEfi

Post by mck1117 »

What insane engine do you have that runs 6 bar of boost and doesn't spool the turbo until 4000+ RPM?
ZHoob2004
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Re: Mistake with my rusEfi

Post by ZHoob2004 »

I think they're only running 310kPa, or 3.1 Bar (45psi), but that's still a lot. Based on the MSQ it appears to be a 1.6L 4 cylinder, but I can't really tell much beyond that without tunerstudio (and I probably couldn't get much more with it)

Is it a Honda of some sort? I notice a pretty high rev limit and I think the CLT sensor calibrations look familiar
Lyonz
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Re: Mistake with my rusEfi

Post by Lyonz »

I think you're talking about calibration values of the boost pressure sensor.
The reason is that I had to order this model in 700Kpa, and I had to make it serve.
In any case it works great.
To summarize, the engine is a 1.6L 16v, but not honda.
Peugeot model TU5JP4 engine with forged connecting rod and piston.
Camshafts "CATCAMS"
4 x 850cc siemens at 3 bar (for the moment, but at 3.5 bar soon fuel pressure)
GTX3071r 0.64 A / R, it makes a boost to 2.1 and then back down to 1.9 bars.
The final goal will be 2.3 bars stable on this turbo
8200 rpm which will have to go up to 8500 soon
I must soon install the 4 EGT probes and the COP to be more precise on the ignition and if necessary use the function "Ignition Cylinder Extra" to align the exhaust T ° if there is too big a difference.
I think I have something weird about the IAT and CLT sensors. But difficult to find good information
Lyonz
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Re: Mistake with my rusEfi

Post by Lyonz »

The 4 EGT sensors
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