Engine drag or transmission issue

[Eric Y]

2017 Silverado Z71. When driving and let off accelerator, feels like an exhaust brake is engaged and lose power.  What can it be?

[BlancoSilverado]

First, 

What motor and trans do you have?

 

[T.ram]

2 hours ago, BlancoSilverado said:

First, 

What motor and trans do you have?

 

I’m experiencing the same issue on my 2017 6.2... does anyone know how to fix this major issue..

[j-ten-ner]

On 9/1/2019 at 8:31 AM, Eric Y said:

2017 Silverado Z71. When driving and let off accelerator, feels like an exhaust brake is engaged and lose power.  What can it be?

Well, when you let off the accelerator, you'll lose power

Scroll in the DIC menu to "Instant Economy" and watch what happens when you let off the pedal. Could simply be the fuel shut off.

 

so long

j-ten-ner