5 Essential Elements For pcmtuner
5 Essential Elements For pcmtuner
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Which is not Russ Kemp's managing airflow config file, but that one will function. You merely will need the 1st histogram, as the sole intent of that config file will be to dial with your operating airflow tables.
In the last 10 years, I have Individually turned off the AFM function within the calibration, on numerous GM truck applications. There was under no circumstances any challenge with misfires remaining claimed afterward.
Which is everything I've place alongside one another today. It should really give you enough info for getting likely. Then, once you come up with particular thoughts in your tune you are able to submit them from the Discussion board.
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Have a 95 b or f body PCM and do a OBD1 conversion. I remember It really is introducing a resistor in keeping with the knock sensors. Some folks really modify the PCM internally.
Do not squander income on OBD adapters that fool the sensors and will result in risky driving conditions (speed sensitive steering). No must unplug the brake booster sensor. Last but not least, Really don't be fooled by distant tune ripoffs. Tuning DoD out is very simple to carry out with HPTuners.
I also pulled some spark plugs and seen they weren't soot included nonetheless weren't lean at the same time. Becoming that I was efficiently in Open up Loop with this treatment, the fuel trims would depart the fueling by yourself plus the motor operates properly and wouldn’t improve rich because it sits idling…and I could continue to utilize the LTFT for cruising.
for some reason any time you initial start off this motor vehicle up I've to provide it somewhat gas pedal to acquire it to stay managing but after that its great. also a number of minutes of idleing it will eventually die but it'll commence suitable back again up and idle wonderful. Not really absolutely sure what which is.
After This is certainly finished, Permit the motor cool down to as chilly as is possible and re-complete the idle-airflow.cfg config I connected earlier mentioned since now your base operating airflow requirements are various.
Now Start off the truck and Enable it reach operating temperature, usually do not touch the throttle or equipment selector and run a scan (get started logging). Doesn’t must be any individual configuration, I just utilized the default (imperial) configuration that came with HPT. Go to the VCM bi-directional controls and disable the Adaptive Spark Management (identified as “Spark Idle” beneath the gas and spark tab).
Not everyone seems to be pursuing just about every thread And that i posted it in two threads which were intently connected to my issue! Depending on Whatever you explained in the opposite comment, I?
Connect to the truck and start scanning before you start the truck (certainly you may need The true secret inside the “on” place). Reset the LTFT utilizing the VCM Controls (VCM Scanner > VCM Controls > Gas & Spark > Reset Fuel Trims). Get started the truck and don't touch just about anything like the throttle, Air Conditioner / Defrost (A/C Has to be OFF) or the gear shifter. As being the truck is idling, click on Histogram one and look at as the scanner populates The bottom working airflow quantities vs ECT. Don’t be scared to let your truck go around 200* so as to get a superb sampling of information. I try To accomplish this on a cold morning And that i use the VCM scanner controls to disable the admirer(s) till I feel the engine is warm plenty of (typically 235*File I contact it quits Should the automobile even may get this warm Together with the followers off).When you've got all of the knowledge, simply just copy and paste the data collected in Histogram 1 to the current tune file you simply flashed. The information are going to be pasted into the Base Working Airflow table (HPT > Engine > Idle > Idle Airflow > Base Managing Airflow) for sdconnect both of those P/N and In-Gear. Make sure to PASTE THE Figures IN The right CORESPONDING CELLS! Definitely you didn’t get the entire cells logged Because the table goes from -40*F to 284*. It is possible to begin to see the pattern in the logged figures so just interpolate the values you didn’t hit, I did it linear and I under no circumstances want to operate my motor from the cells it didn’t strike in any case.
When you come across The purpose where incorporating more spark progress does not deliver your MAP readings any reduced (extra vacuum) you might be now at The purpose the place the adaptive controls (when you are not tuning the car and the proprietor is driving it) can not help catch the idle by introducing spark.
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