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As stated, my truck has an odd misfire, not tune related.

Under load, sel starts flashing, obvious misfire, #8 cyl misfire code, sel goes out by itself after load is decreased.
Swapped the...

Thank you.
I did as instructed and fairly easy to move tune .
Need to double check everything before loading, but looks good.

Likely the best option, Is there a quick way to do that other than changing each value separately?

Hi.
I am a newb tuner.
I have a tune from a 2013 Silverado that I want to load in a 2011 Silverado.
Basically identical trucks, different year.
I have HPT 3.0 and licenses for both vins.

I...

http://www.thetuningschool.com/product/4027/

Josh must be busy,
any one care to offer some input???

Ok, thanx.
I put the stock tune in after the log and it does the same thing, needs to be fully warmed up though on both tunes before it shutters.
Only tranny things changed in the tune are wot...

Try this, kinda long but symptoms captured.
RPM cycles about 50-100 up-down.
Whole truck shakes on the up cycle.

I am assuming it is the torque convertor.

It's already tuned.
These are known issues on several truck forums and the dealer hasn't got a fix yet, best of my knowledge,
I believe A8 Vettes have some of the same issues.

I folks, I am a hobbyist tuner, not a pro.
The above truck [mine]has the mentioned tranny issues.
It surges rpm about 150-200 rpm on steady throttle driving.

Worst, it has a noticeable shutter,...

checked the tune with tech2 and cvn's not ok

back to stock tune and stock cvn's all ok.

thanx for the link and info.

Thanks guys.
I'll let you know what I find

I see what you mean but my sreenshot was from a TSB, not my truck.
I'll see if I can find someone with a tech2..
Waht does cvn stand for?

I'd still like to know if a 2nd ecm would work.

How do you mean "put the stock file back in it"
reloading the stock tune will still show calibration changes from day one would it not.


If I put the stock tune in, do a "read entire" copy and...

My 6.2 Silverado has loud engine knock[not carbon or piston slap] at
12k miles.

I know tune/warranty has been kicked around alot.
I know they will probably check my calibration history and...

thanx for the reply.
I tried everything and no help,
It has a hard code, light will come on before vehicle even moves.
it had lowering spindles on it that were returned to stock as well and...

07 Silverado 1500, nnbs vmax, 6.0

truck HAD lt's, cat back, cai and hpt tune. worked perfect
being sold and is all back to stock including tune.

now has service stabilitrac/traction control...

Hi Folks.
I am a novice trying to do some very basic stuff to 2010 6.2.
Things I can change without doing logs.
The truck has arh long tubes and cats, waiting on vararam and cat back before doing...