About cat sis 2.0
About cat sis 2.0
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Preserve this file and re-flash the PCM. You might require To accomplish this a handful of moments nonetheless from all of my tinkering with the Ve to begin with, I only desired one go at it. In case you consider the math, I basically took an extra ten% outside of my Ve table from the idle regions only.
There are plenty of tables not protected right here that impact idle excellent so Have in mind there is extra than just what was reviewed in this generate-up for a very good idle. I would say, that utilizing this method, ninety nine% of you will be in great condition. In the event you continue to acquire idle troubles, you may glimpse a little bit deeper into fueling of which I didn’t go into its entirety below.
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Hear your engine for idle excellent as well. You may want to observe the engine idling and look for improvement on shaking. Although the MAP didn’t alter in my circumstance more than 24*, I did see a A great deal smoother idle at 28*. If you obtain some idle surge, likelihood is you may have an excessive amount of timing in there (If the base jogging airflows are tuned and also your fueling is good). Just about every setup will want various things (with regards to the combustion chamber style and design and compression such as). I noticed no difference from 24* on up, so I settled on 28* for my foundation timing determined by observing the engine shake and the advance from 24* to 28*. When you discover that good timing range, change your idle timing progress cells in the tune, usually from 0-1200RPM and 0.08 – 0.28 g/cyl (bear in mind…do all of the timing tables: Idles and Mains!), save and reflash the new adjustments to the PCM.
I thoroughly concur with you. I come across I err within the aspect of tuning idle spark progress in the same way you need to do. I concur, Krambo ought to have stopped all around 24 or less.
To be a guideline, your STIT & LTIT ought to be within +/- 0.seventy five to one.0 g/sec following this tuning course of action. You might require to good hand modify your Base Managing Airflow table to attain tighter effects (Consider your LTIT are disabled so you will not see a worth still). The STIT is definitely the equal of STFT in fueling and LTIT could be the equivalent of LTFT in fueling apart from we've been working with airflow.
Most very well tuned engines no matter cam sizing can take advantage of the 0-310 vary which the IAC valve has but often You must assist it by opening or closing the throttle blade a bit.
I acquired in the routine of conserving a replica of each new VCM Suite installer version following the V2 vs V3 problems most of us went via.
Coming from a gas tuning qualifications, I'm getting a difficult time identifying The main reason that We've got pilot injection and how it affects the principle fuel injection.
Now Start the truck and Allow it reach operating temperature, usually do not contact the throttle or gear selector and operate a scan (start logging). Doesn’t should be any specific configuration, I just applied the default (imperial) configuration that came with HPT. Go to pcm tuner the VCM bi-directional controls and disable the Adaptive Spark Control (referred to as “Spark Idle” under the gasoline and spark tab).
With the factory It really is only accessible from beneath and it sucks to try to regulate the established screw once the motor is from the automobile and you have got anything hooked up. By flipping the set screw upside down, you've got built it attainable to create changes for the throttle blade less complicated.
Within an automatic automobile what causes the idle to jump up when shifting into travel or reverse? My car or truck wishes to jump ahead if you shift it into generate. I have a log of it undertaking this just tring to figure out what to adjust to halt this.
Spark advance great tuning - Make use of the VCM controls when idling to adjust the timing until finally you see great MAP (a lot more vacuum). I turned off adaptive spark using the bi-directional controls Using the scanner (Spark Idle) so I'd a gradual, flat timing line and could really check if there was MAP improvements. Try this by going to the VCM bi-directional controls and disable the Adaptive Spark Command (identified as “Spark Idle” beneath the fuel and spark tab) by in fact clicking the “ON” button. Click on back to your “chart Screen” and observe your timing line…it should be a gentle flat line rather than a saw tooth pattern, Otherwise, you didn’t disable the Adaptive Spark Control. You can also zero out your Overspeed and Underspeed for the time being and reflash however it is simply easier to do two clicks inside the scanner. O.K., there'll arrive a degree at which MAP doesn’t get significantly better, and that is a very good way to get into the specified spark progress at idle.
I am also at this time acquiring precisely the same concern on my 2008 skoda Octavia mk2 vrs having a med9.1 ecu and ea133 motor the epc gentle and checksum fault code looks to happen after all-around 150km of driving without the need of an ignition cycle it's been a concern considering that flacing my ecu. I have reverted back to the inventory tune did not repair it, re wrote my map right after finding it absolutely was lacking parameters the inventory tune had.