V4 or V8 selection in TAHOE 2011 LTZ

[Nasoor]

Dears,

I am new to the American Cars such as TAHOE, I know that there is a HEMI engine which switch from V4 to V8 based on the need of power.

I can see on the dashboard that my vehicle is switching at low speed sometimes from V4 to V8 then then back to V4 even i am maintaining the same RPM and speed.

I thought maybe there is a selection I can select it to be V4 (to have less fuels consumption)

(currently the 2WD/Auto/4WD selector is set to AUTO) , but even though I tried keeping it to 2WD but no change in fuel consumption.

Please advice.

 

[07Burb]

Nope the v4 to v8 selection is automatic via the fuel management system

 

[thirsty1258]

Does anyone know if there is a time if on the fly programmer to keep it in v4?

sent from my thunderbolt

 

[07Burb]

Thirsty....I'm not sure but you may ask black bear tune about that. I know that they can take the feature completely out (which I plan on doing) but I'm not sure if they can actually modify how it works

 

[2005yukonxl]

if i had it, i'd have it tuned out. i cant stand it on the hemi i drive at work all the time...66k miles on it and it sounds like crap and bogs down when it hits 4 cyl mode...the "Seamless" transition aint so seamless..

 

[Sheriff]

if i had it, i'd have it tuned out. i cant stand it on the hemi i drive at work all the time...66k miles on it and it sounds like crap and bogs down when it hits 4 cyl mode...the "Seamless" transition aint so seamless..

Sounds like you may have torque converter problems, not engine problems.