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It's a known issue these don't read accel pedal position correctly in 03-04ish trucks.

Unless its throwing some sort of pedal code I wouldn't worry about it.

blower displacement isn't everything.

M90's are like what was used on those old supercharged thunderbirds and 3800 GM motors.


When I was a kit I took a stock LT1 intake, cut the top off,...

IF you search by my name I have an excel sheet posted in here to figure this out for you.

IMHO never safe to overwrite a different OS in a GEN 4 unless its a custom OS from hptuners for the original OS.

About once every two weeks we see someone bricking something trying to do this.

It looks like other people have found issues that would cause a legitimate SES light.

In the case of the SES light being on (sometimes dimly) in a swap car.. its because a LED needs such a small...

be certain that it is correct.. Like I said before.. A fresh build could check good and come back after 20 miles and show low. They have to work out airpockets in the cooler ETC.

Did you use GM parts? I've had to replace PCM's for this.

The knock sensors need to be torqued correctly too.

I smoothed out the VVE a little for you.


The timing tables could use a lot of help. Even going back to a stock timing table should offer improvement. Its very low in timing.
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No issues at all.

You got some pretty wild pressure swings on this.. it might add up to hesitations between shifts. I saw 96 psi to 32 psi of fuel pressure on one shift. This is going to be coming from your AUX fuel...

This is a bit confusing to follow but there is some PCM/TCM and I imagine other modules compatibility between 2008-2009 stuff.

Simply put.. a 08 and older PCM will be ok with 06-08 TCM but a...

You might not have enough reserve for that once in a blue moon backing out of a parking lot etc. but no issues.

So many people overlook fluid levels. You can fill a fresh build completely up.. go for a drive and recheck to find it a quart or two low. Just half a quart is enough to get quite a few to slip....

Day to day will change your STFT. They will never be perfect in all conditions.

IAT2 is only used in supercharged applications. They are often a different type sensor and uses a different table. IF your car is NA this table does nothing for you.

Try this as a test.

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You need to pull codes after it goes into limp mode. P101 is a code but will not cause limp mode. I don't think P1010 is a code

We had laptops that would "go bad" and start doing similar things after years of normal use.

There are several of us on here that offer remote tuning.

Prehaps someone should make a sticky post with links like a directory.

This sounds like its going in to a reduce power mode. You'll need to be able to scan this when this happens to know what the cause will be.

How is this kit triggered for the secondary fuel pump?

Hobbs switch? I heard there is a new CAN controller.

I've had a handful of bad ECM's. Processor codes.


I've also had them do wierd things like the IAT going to some odd ball number only at WOT. I would have thought it would be a wiring issue...

1. The throttle/pedal tables aren't stock. I'd put them back.
2. Are you sure the injector data is correct? It's off by quite a bit from what I use.
3. If the throttle body has a issue like a...

https://www.pcmofnc.com/product/pcm-unlocking-service-3/

Attaching logs from this afternoon. Wild difference between the two.


FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF


:rant::cheers::cheers:

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