MPI Tuner Library

[505zoom]

I'm getting forgetful now - or maybe I'm not. . .the switch occurs when any of the four set values are exceeded, but doesn't turn off until all four are below the set values. Right?

I believe so.

 

[igdrasil]

oh,..nice, thanks for the file..

by the way....does the "LOOP LIMIT" works????

 

[LinuxRacr]

Not without a Lamda Sensor (LSM-11) I believe. You don't need it right now.

 

[joka1]

quick question..... my only problem now is at idle after my car warms up it is way lean!!! sometimes so lean that my a/f guage has no colors lit. can i fix this

rob

 

[acidbug]

Chas,

Do you have a current screenshot of your current map? I wanna compare since you are also running the stock injectors.

New Maps. As of Today.

Chas

 

[505zoom]

To fix the lean idle I just had to put a 2 in the analog box that lights up at idle. It still bounces a little high sometimes, but overall it idles pretty good now.

 

[acidbug]

Accually, Chas, could you elaborate on the location of the taps you are referring to? Should they be closer to the engine side BEFORE the MPI Tuner, or closer to the stock ECU BEFORE the MPI Tuner? Common sense would have me believe it would be closer to the engine side. (scratch)

Yes closer to the engine. AKA before the connection the mpi makes!

Chas

 

[acidbug]

Okay, now it is working properly (thanks a lot Chas). I had my switch point set super low so the turbo module was kicking on at idle causing the idle to go up and the temp gauge to read incorrect. I had to set the AMP switch point to 1.30 to get it to kick off, but as soon as I heard that click the idle went to normal and the temp gauge dropped to halfway.

Super stoked now.(yippy) I set my RPM switch point at 3500 and revved the car, and I could hear the turbo module click on and see the AFR drop. Time to start the tuning over.(rockon)

I still need some help getting the sensor calibration dialed in though. If any of you guys would post a pic of your calibration screen that would be awesome.

Hey...No problem...Just let me know if you need any further assistance.

Chas(yippy)

 

[acidbug]

I'm getting forgetful now - or maybe I'm not. . .the switch occurs when any of the four set values are exceeded, but doesn't turn off until all four are below the set values. Right?

You are absolutley Correct!

Chas(RTM)

 

[acidbug]

quick question..... my only problem now is at idle after my car warms up it is way lean!!! sometimes so lean that my a/f guage has no colors lit. can i fix this

rob

absolutely. When you In your idle colum..increase the amount of fuel by 1. That should basically fix it.

I have a 1 in the idle column..i have seen some people go as high as 3.

My car also idles lean..but i find that it holds better and doesn't stall. Especially when car is hot.

Chas

 

[LinuxRacr]

Your sensor calibration is accually close to what I have! (drinks)

Now for your maps mang!

 

[igdrasil]

I need some help with some questions That I have:

1. Whats the max volts output you can send to the injectors. Im trying to boost 12psi but the car DOES NOT LIKES TO BOOST OVER 10psi. Its starts to buckle and drive like s*** sometimes....it gets so worse that in the middle of the streets I have to turn the car OFF and then back to ON in order to make it driveable again. (check attachments)

2. Help me if this screens are correct (check attachments)

3. Whats the meaning of? I may want to rename some things:

AMP Input V = ?
AFR IN = A/F input from 1st O2 sensor
Analog Out = Injectors voltage out??? whats the maximum??
Analog Mod = current value on the map where the redbox seats????
Ign Mod = current value on the map where the redbox seats????
RPM Reading = RPMS
Analog In = voltage output for injectors comming from ECU?
Ign Time = ????
Eng Temp V = voltage of coolant sensor?
AFR Input V = voltage sending O2 sensor

 

[LinuxRacr]

Your fuel upper limit should be set at 4.98. You have it set at 5.01 volts. That could be a main factor. You hit fuel cut at 5 volts! (eek2)

 

[igdrasil]

interesting...

how can the injector reach 5.01 with only a "3" as max in the MPI grids @ WOT?

 

[KzA]

a bit O/T but can we still use that MapA/MapB switch option?

 

[LinuxRacr]

Well, it's not the injector voltage you are messing with, it is the input voltage from the MAF meter. This is what your analog input voltage is. The analog output voltage is the modified signal that the MPI sends to the ECU. What you want to look at closely is the Analog output voltage. If you are lean, and your analog out is not near 4.98, then you still have fuel to add.

 

[acidbug]

Well, it's not the injector voltage you are messing with, it is the input voltage from the MAF meter. This is what your analog input voltage is. The analog output voltage is the modified signal that the MPI sends to the ECU. What you want to look at closely is the Analog output voltage. If you are lean, and your analog out is not near 4.98, then you still have fuel to add.

yeap..linux is correct.

Also you can add more fuel by going into global settings and changing the analog to a larger number which will add fuel throught the entire map.

Chas

 

[LinuxRacr]

Something could be screwy with my fuel delivery. The funny thing is that I am pretty much maxing out the MAF voltage, but still have the A/F ratio at around 14. :wtf: I probably should go clean my injectors TODAY! As you will see I have some high-ass numbers in there.

 

[igdrasil]

Linux, Im having the same issue as you!!!!

Sometimes it wants to run 14.1 and sometimes it wants to run rich.

I can only think is that the O2 is not being clamped as it should.


TIMING CONTROL

Guys...I went to the track w/ my friend and his 11sec protege.

Just a heads up. He took some timing readings off my car.

Our cars runs 39deg advance @5200rpms, can you believe that???

If we want tu run "SAFE" we need to be AT LEAST on the 30degree advance for any boost over 10psi. I would stay on 28 degree for up to 15psi

Also...I tried retarding timing with the Ign Amp column, IT WORKED. I had -10 on the current grid and it did the retard, I had a 29 @ same rpm

Some pictures of that night:

 

[acidbug]

Something could be screwy with my fuel delivery. The funny thing is that I am pretty much maxing out the MAF voltage, but still have the A/F ratio at around 14. :wtf: I probably should go clean my injectors TODAY! As you will see I have some high-ass numbers in there.

Yeah..those are def some large numbers. From the looks of it...you have maxed out stock injectors.

You still have the inline fuel pump installed?

Chas