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solid .715 @ 249 15:1 c-14 manual 350 trans. high idle @ cold 70-90* once warmed up idle is better. high idle loading on trailer not fun

My SD tune idle is hanging 1300-1700 coming down any suggestions

MY 1999 4.8 Falls on it face on accel.

Im new at this and if a experienced tuner would look at my files I would appericate it

I replace knocks and fuel pump, only when knocks unplugged not as...

valve train making knocks go off replace valve train all is good!

found valve train shot and cheapo ebay intake too hot IAT. Fixed both much better no knock now

bone stock but a cheap metal tube cold air is only change. i replaced the knocks, fuel pump, here is the tune in tow mode as i need to tow a trailer and falls on its face.
tow mode and normal mode...

its a 1999 4.8 silverado and is a slug towing, found valve train tripping knock sensors no more knock!

im new at this scanning/tuning and my silverado 4.8 falls on it face any advise? I attached a file.. what do you this is going bad?
thanks for any advise or suggestions

my idle is a litle rought so a tuner sent a emailed file and i saved on my desk top, i cant figure how to import and over write exisiting file? step by step would help out.....thanks

purchased from summit also, it had serial/app key on sheet of paper. was box sealed when you recieved it?

my question is have a dual f.a.s.t. wideband and added them to I/O ports. they read about 3 points off. On the dyno they read the same as f.a.s.t. display but do not match not on hp tuners chart, I...

we updated to the 64 bit drivers and works like champ now! it timed out with other drivers

my "READ" file fails on read pcm. error 7000 checksum. seems like taking forever to read pcm maybe timing out
local tuner phil said update the 64 bit drivers so i will try this see if works. can...

i think i messed up and put the cars vin in not pcm vin in. so did i loose 2 credits.

I did close the scanner and try to open and run edit program only. is there a manual connect button or does it normally try to connect? also I only have one pcm with credits applied to so do I have...

found reluctor ring spun 40 degrees

scanning on my 02 ls1 works great, now moving on to editing and i says no cable connection, I switched right over to editing not disconnecting the cable and say no connection. what can be the...

Hello, I just purchased and installed you hp pro version, I am having issuse with engine wont start and belive its my crank postion sensor or cam postion sensor or bad pcm, engine was tuned last year...