Thread: Help for Tunercode for Newbie's

Thought i would start a thread for the newbies looking for some help like me hehe.

Now at the moment im a tunercode newbie and most of this is over my head even with lots of experience tunning from information ive gathered from Nistune and what tables do what, what the titles of tables mean and from my own experience.

Daves documentation appears to be by far the best i've read so far but im used to the old way Nistune tables are called and the titles of tables that calum had done in the tunerpro xdf's..

It would be helpful for me and probably others if some people can chime in on what something might have been called before and what dave calls it now (table titles).

If someone was having an issue and found that adjusting "X" on table "Y" to fix thier issue would also be helpful or common area's that will need adjustment with a turbo install/large injectors etc...

I assume a lot of these new tables in tunercode that calums xdf's didnt have and Nistune will not need adjustment for the most part, especialy NA engines.

Im not trying to knock daves documentation in anyway! It seems far supirior than any other, but after going through the Nistune bible lol and now reading this im kinna confused.

Learning the language takes time. It is the same with almost any change you make in your life. You just have to stick around and gain some experience, once you do that you should have all of the new terms memorized already.

One of the hurdles im trying to get through now is going from the old way of seeing data viewed and the way tunercode views it. Which is i think mostly in m/sec.

Example: When you were to view "TP Enrichment " before the data would go from "181" to "0". Now when u view it with tunercode, all i see is "ECT Enrichment Table" which goes from "3520 - 0". Is this the same table with the data viewed diferently?

Then i see "TPS Enrichment" under "Total Fuel Adjustmens" Which is "2.98"
I am assuming the totals wont need to be touched and is there just to show you.

I see alot of the cranking data under fueling is viewed in the same format im used to which is good.

maybe i can post a few pics so you guys can understand what im trying to say lol

The documentation explains the units that the tables are being displayed in and explains when the ECU accesses that table in question.

I am not sure exactly what you are trying to ask, if you can be more specific about some of the things we might be able to help you understand it a bit better.

Evan,
The TunerCode documentation is the truth and there are no "unknown" or "not well understood" parameters or tables. Trying to compare it with other information will be confusing, especially if you think the other information is in any way correct.

Dave

Here is one issure ive come across. I somewhat understand one of the new flags which is 'alphaN/Limit'. I guess i dont fully understand why it does what it does. With the old non tunercode bins i always left that table stock. Well with tunercode i thought i would try and unclick this flag because this feature just seemed to be not needed since there is the accel enrich table. Well i tried turning Alpha/N/Limit off and it runs extremely lean when accelerating from a stop or light cruising!

Why doesn't accel enrich take care of this? I thought it made more sense to run off the map by load/rpm and not jump to the end of the row in the table?

I have since re-enabled this flag and all is back to normal (working good).

The "Enable Alpha/N TPS Limit" flag and corresponding "TPS Limit for Alpha/N Mode RPM Table" have nothing to do with accel enrichment. Accel enrichment is active only when the rate of throttle opening is above a certain threshold (rapid throttle opening). Accel enrichment is inactive when the throttle is fairly steady.

Alpha/N Mode is active when the throttle is open (throttle position, not rate) above the value in the table based on RPM. Looking at the table, you see that at 1600rpm and below, the values in the table are 49 and go up from there. This means that at 49% throttle and below, Alpha/N mode is completely inactive. Also looking at the table, the value at 2000rpm is 61, which means that above 2000 RPM, the throttle must be open more than 61% in order to activate Alpha/N mode.

When Alpha/N mode is activated, the fuel map load (TP) scale is not used to look up the value in the map. Instead, the far right column of the map is used to look up the fuel map value. This means that the only value changing the value from the fuel map is RPM. This also puts the active fuel map cell outside the range where closed loop is enable.

When the "Enable Alpha/N TPS Limit" flag is clear, the RPM check for Alpha/N mode is skipped and the actual load (TP) is used in the fuel map load scale to look up the fuel map value. When this is the case, values in the fuel map will need to be tuned to control the AFR to the desired value. For example, at 3200rpm, load=64, the fuel map value is 10. However if Alpha/N mode is active at 3200rpm (above 73% throttle), the fuel map value is 27, which gives a richer mixture. This is why you saw the lean AFRs when Alpha/N mode was disabled.

Dave

Thanks for the thread @ OP and thanks for the info @ Dave...

good stuff

heres an example. When looking at the old tables for cold start enrichment it would go from if i can remember like 55 or so then taper off to 0 once warm.

Now when looking at the table using tunercode it starts at like 33,000 somthing and then taper off to 0 once warm. What units of measure were we seeing before? and what are they now? It can't be pulswidth.