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Thank you for the advise. According to HPT tech help, I attempted to do a write entire and had issues. I tried a write cal, and still had issues. I should have attempted to do another write entire...

negative, none were made to it

I need a little help here, I was trying to get rid of a few emission codes
last night and then this happened with the FSCM.

How do I prevent this from happening again?

After pulling the...

Is there such a thing as a dealer locked tune ?

http://www.camaro5.com/forums/showthread.php?p=8254739

New dealer car, can't read the tune. Keeps getting a "Negative Response Code" error message
suite 3.6.26


Any suggestions?

here's the tune file that I'm using. I'm just trying to get it running to check for leaks, and to fill the transmission.
A local guy, Chuck Anders tuned this truck, not myself.
It's currently...

I did a turbo kit, 80e swap and cam install on a 2008. Got everything bolted back and ready to go, and it won't stay running.

It's still on the previous DOD delete tune from a previous cam swap,...

http://www.hptuners.com/forum/showthread.php?50753-ECM-Stays-in-closed-loop-mode

Its kind odd that it idled on its own after start up, on the bone stock tune it did not hunt around and eventually stall out, it stayed running. The exhaust does smell lean a hell.
I'll try the BI...

Here's the new GM stock bin file that was loaded from a MID or Tech II
I added the config file that I used to scan for the front and rear O2s

Is it possible to have a reading even when they're...

thank you

any license issues if I use the same VIN to reflash it back to stock by using a dealer flash with a tech II or MDI?

If I can start back over with a fresh start, I don't think that I will have all...

I don't have an orginal 08 tune file to compare to. I downloaded and compared a 1276748364 Stock express van 2007 and a 1382836080 Stock Express van 2010.

I noticed under engine>fuel>O2 Rich/Lean...

Ok thank you

Is it possible to flash an older tune to a newer pcm? Meaning a 07 tune on an 08 pcm?

My apologies, I don't.

I'm open whatever suggestions you have or what needs to be searched.

All I know is that the O2s are not functional. They gradually taper off to nothing and I know that...

It's just staying in closed loop.
Rear O2 sensors have been removed from harness, front two are plugged in.

here's the tune file

49490

here's the log file:

49458

Need a little help. 96 Tahoe, with 08 Express Van 2500 running gear. Engine, 80e, E38 and TCM Standalone harness, independent of the trucks harness.

I have the o2 sensors reading voltage now,...

Need a little help or pointers on what to look at
99 2 Door 4wd Tahoe swap
Speartech harness

Truck will start, in 1st gear. Never leaves 1st. I can log the trans, manually move the trans...

sorry can't help with that

if you unplug your speed sensors and it stays at 158, then you have a communication issue from the PCM to the TCM. It's the tan and tan/black stripe wires


if you rip the tune, does it see the...

League City . . .

can you see the knock in the log or is the knock audible, meaning you can hear it?

ok thanks !