tried to change tune - won't recognize key cycle - won't allow any changes nor will it allow to return back to stock tune from a custom tune , I bought a new i3 tuner and it won't override . . . . Options ??? What else can I do ?
Engine has several mods - diff s/charger - inj - cams - CAI - race ...

91 oct tune - pings at 1100 to 1500 rpm range - take tune out goes away . . . colder plugs - flushed block - replaced rad new . . . take tune out ping goes away . . . can't adjust timing in that rpm range . . . any ideas ?

will the i2020 tune the 2004 Mustang Mach 5.6L 4 cam engine ?

Still there ? ? ? ? Anybody ? ? ?

would the 9T18A update do anything for this concern ?

ln South Dakota - I have tried this in 3 different trucks with the same results . . . .

08 6.4l ford u7164 tuner - put tune in and no cruise control - 9r17 crom. I have tried this several times - 50 hp / economy tune - any ideas ? ?

08 6.4l ford u7164 tuner - put tune in and no cruise control - 9r17 crom. I have tried this several times - 50 hp or economy tune - any ideas ? ?

The blower is a direct fit .....

I have a 2008 gt500 with a 2.5 pulley - Steeda CAI - otherwise stock equip. with a Diablosport tuner installed - I have a 2014 5.8l engine that has block damage - I was goin to swap out the S/C that has a 2.4 pulley already installed -Do I have to change the tune ? Have you done a tune for this swap ...

And sorry about the post being in the Trinity area - - - should have been in the Predator area .

kinda had that thought also - - - thanks for the confirmation - it's over 200 miles to dyno but it may be worth it !

u7145-version 9r07 - 08 Shelby GT500 - - - So here we go-in the programs loaded into the predator I find that there are several CAI and pulley tunes . What I have is a 2.59" pulley and an early style Steeda CAI #555-3135 that uses the original intake tube . With only a 2.7 pulley tune w/ the 114mm ...

will take out tune I guess I'm on my own then huh maybe I'll try a diff tuner. Thanks

if I put the stock tune in how far can I drive it to test if it is a tune or alt concern w/o causing an engine problem? [Driving it normal speeds]I know it could be a problem w/alt. but the car has only 6000 miles and only happened after the tune-and it is controlled by the pcm.Just wondering if ...