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Hi, I ran into an issue where under higher boost and WOT, the 2-3 shift would bang off the rev limiter at 6600 rpm and feel like its in neutral. I turned the boost down and it didnt have that issue...

Yeah, I added startup airflow and delay, took away. Added startup enrichment for fuel with no change. Added more to the ve table in the idle area. When its acting up, if you continually spray the...

Anyone have any ideas? It will start back up if you try id say within 5 minutes of it running. If you let it sit when hot, it wont start backup until its almost cold. I'm kind of freaking out because...

You can compare your tune file to mine in this post if you'd like. My car will blow the tires off with almost no throttle.
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Are you on the stock valve springs? You're probably blowing the valves open in boost lol.

Hello, I recently swapped ecu's due to a p/n validation issue. Car previously would start immediately and hold idle. Now it will crank and fire every time but will surge a couple times and maintain...

Holy hell, my boost enrichment vs map multiplier was set at 64 vs the 1.28 it was supposed to be. No clue why the parameter didnt copy over properly. Lucky I didnt hydrolock the engine.

Hey guys, I was for several months fighting an issue of my car not recognizing park / neutral. Car otherwise ran great, pulled great in boost. Ended up putting a new computer on it, fixed the issue,...

Thanks for the suggestions, I went ahead and adjusted my throttle screw, got the iac counts down to about 90 at operating temp, i also slotted my tps and got the voltage back down to .57 volts at...

81242

I had it in open loop specifically to not have anything mess with it while trying to get my base running airflow figured out with it in gear. I've added fuel in the idle area of the VE,...

Anyone?

I am having the exact same issue, same setup up too but a 5.3. I have so far, added fuel taken away fuel, no change on the wideband. Timing was trying to go negative so I set it at min spark advance...

Well, found out it was switching from closed loop in neutral to open loop in gear. I redid my base running airflow in neutral open loop and my base running airflow numbers dropped significantly (idle...

Hello, I have a strange issue where my pcm thinks its in gear all of the time. I have yet to figure out why aside from purchasing a new PCM and dropping another $100 on credits which I am reluctant...

^Thats what I will do next, confirm wiring. Thanks for sharing

PSI Conversions is saying my 1999 does not support the PRNDL feature, he said to update my tune to 2000-2002 Model year. Does that...

Anyone else mind checking my attached tune for any issues you see that might be causing it to not change gear status from D4? Or things I could try? Thanks in advance.

hahaha

I got the idle air flow semi close and idling in gear but its not 100% happy, it will need more work once i figure out how to get it to switch PRNDL status. I put the adaptive idle stuff...

Yeah that option isnt even there for some reason. I think that would have fixed my issue.

Kingtalon - I have a reverse light switch on my shifter.

I am not using the stock black box range selector. The psi conversion harness does not utilize that. It does use a park neutral switch though which is wired in but does not affect anything when...

Okay, thanks to your guys' responses I was able to iron out a few issues. My input and output speed sensors on the trans were swapped. A few other things I also resolved, ive been nit picking at it...

Hey guys, just starting to do some idle tuning on my car and I am very new to hp tuners. I'm trying to do the base idle airflow tuning on my car and it is telling me to add a couple g/sec to most...

Well, thanks to your guy's help I got it to idle pretty solid! The injector data I copied over from matt with a tune for the same injectors was way off for some reason. I copied over what I believe...

Hey guys, just got done putting together my project and started it up the other day. A little rundown on the setup, 2005 5.3, jegs stage 2 cam, 243 heads, 78/75 turbo, seimens deka 80lb/hr injectors,...