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Sorry guys, Please move if there is a better place I didn't wanna post in the "Other" area cuz no one would look, and its just a general tuning issue/question anyways.
What are some possible reasons...

Also interested. I have a 550i (Twin Turbo V8) and the current market doesn't have any support for REAL custom tuning, I have a high HP build in mind with a single turbo setup but lack the tuning...

So i narrowed it down to these two.

53394

One of these tunes causes the issue, the other is fine.
The working tune has lower torque limits and lower max throttle.

Anyone else having this...

Yes, unfortunately i made multiple changes that fixed it so its hard to pinpoint the issue. I do have a hunch tho.
Can you guys post up your tunes so i can check differences to check the problem.

I got the issue resolved but stock clutch started slipping pretty fast.
Car is definitely still running.
When i dyno'ed with the slipping clutch and hesitation issue, it still put down 370whp....

Its a caliber SRT4

Post your last tune file

Hey Chris can you post up your tune file and a log? I'll check it out and see if i notice anything odd.

If we can get the Caliber SRT4 added to the Repository, that'd be great. I have quite a bit of different tune files i could share, including full E85 tunes.
It would help this platform IMMENSELY! ...

Are we currently unable to read the AC pressure switch for an 08 Caliber SRT4?
I cant find the "System" section in the Channel Selector in the 2.24 or 2.25
Is this determined by what it reads from...

We never changed any of those values. They are the same as stock. Should we lower them to compensate for the other adjustments?

Welcome, Im new to HP Tuning as well, check out this page, it helped me a lot.

http://www.hptuners.com/forum/showthread.php?4742-READ-ME!!!-General-tuning-info-and-how-to-s

ok so i got a quick log of it. Its super short but you can see the negative spikes.


51590

Heres another log but its in stop and go traffic but posting in case you can see something.
51591

hesitation issue still happening

It happens but mostly between 1500-3500 (normal driving)
Yes it was the attempt to fix the issue

Here you go,
Car has full bolt ons, larger compressor wheel, 775cc injectors, full e85
I havent had time to create a new log yet but will post as soon as i do.
If i write to the pcm, it usually...

No? Ok then :/

I am having a very irritating issue, at partial (regular driving) throttle my car bucks back and forth, at very light throttle and WOT is is fine.
If i recall correctly, when we logged, the...

As the title says, Can we get the 2008-2009 Caliber SRT4 added to the Repository options?
I have a base as well as a few tune options that i would like to share.

I cant find the table to set up my 2 step. Did it get moved? Is there a new method to do this? I know i can set the Idle limit (P/N) to a set RPM but i am trying to set the spark to -15/-25 to build...

Yeah i figured it out last night and updated and now it works fine its still on the 2.24.1140
I was previously on 2.24.649, the reason it read on the 649 was because it had been previously flashed...

Using 2.24 i was able to read and write to the Caliber but after the first write, it now says "unable to locate vcm"

But if i use the Beta 2.25 i can read and write just fine.
Any ideas?

Great, yeah i have the big wheel turbo upgrade and im wanting to run e85 as well. any advice on tuning for e85? I have been out of the tuning scene for almost 10 years now lol

First question, If the car already has a tune on it from another company, could i save that file and use it to make adjustments?
Or would i have to revert it back to stock and read the stock file?...