After I had my foundation airflow pretty well dialed in, fueling suitable and timing where it should be and re-enabled my LTFT’s… all of it went to hell. My gasoline trims would just dump the max volume of fuel (+25); the motor would shudder, misfire and smell pretty prosperous with significant soot about the exhaust openings. Take into account that constructive gasoline trims are dumped on top of your Ability Enrichment at WOT also And that i surely didn’t want everything additional fuel at WOT.
There are plenty of tables not protected listed here that impact idle quality so Have in mind You can find much more than simply what was discussed With this compose-up for a fantastic idle. I might say, that applying this treatment, 99% of you will end up in great form. In the event you carry on to have idle problems, you could look a bit deeper into fueling of which I didn’t go into its entirety listed here.
Obtain the educated file when available, load into VCM Editor and flash your car or truck with up-to-date values.
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I entirely agree with you. I obtain I err to the facet of tuning idle spark progress in the exact same way you do. I concur, Krambo must have stopped close to 24 or less.
Is there any more data around to the tuning facet of factors for recommendations and tricks? Like timing and period for building ability or fuel financial state and what restrictions to remain in just for maintaining every one of the cells in check for Cummins? Don't need to add 5000us and forty five*... lol.
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If more recent motor vehicle and new components assistance is the only modify from 3.x to four.x, then the running procedure Examine was an arbitrary Verify put set up.
) and get a warmth cycle into uprev your new valve springs (assuming you swapped them) OR you could dive strait into logging for the specified Base Operating Airflow quantities based on your specific cam and motor set-up.
Now Start out the truck and Permit it get to working temperature, do not touch the throttle or gear selector and operate a scan (get started logging). Doesn’t must be any unique configuration, I just utilised the default (imperial) configuration that came with HPT. Visit the VCM bi-directional controls and disable the Adaptive Spark Control (named “Spark Idle” beneath the gasoline and spark tab).
If you choose to adjust this value, the scalar must transfer down in price not up since it's an inverse romance into the throttle body sizing. To get a 90MM LS2 TB, use 0.0190. Modifying the ETC Area Scalar will change the "ideal air" (Boosting the scalar lowers the "sought after air"). It is possible to experiment with each with the tables mentioned even so it is achievable to go away this stock and tune all-around it really quickly, it’s your decision. If you are doing change this desk, make sure to find your new Foundation Running Airflow numbers all over again.
The DTC that place the car in limp states Checksum Mistake, when cleared the automobile returns to typical. I also realized the vehicle is mapped out terribly with this particular software. You'll find approx 5 LDRXN's (Strengthen maps) on this ECU, not 1 are mapped in HP Tuners..
Nevertheless no luck also talked to the support line who told me to disable the fault code you receive a similar concern but and not using a fault code i feel it could be an issue with the software but have to talk with hp tuners support about The problem its a true suffering in the ass as i ought to provide a computer and my mates dongle with me After i generate and continually reflash the car. Fnetotuner is additionally getting the exact limp method and fault code.
A further method you can do is to look at your fuel trims and Assess to airflow to obtain what "airflow mode" you will be in and then modify the In line with O2 swicthpoint values until eventually you get everything in line.