News
AFM Cleaning and Maintenance: Keep Deactivation...
Consistent oil changes with the correct dexos oil, a close eye on your oil level, and early attention to ticks are the core of good AFM maintenance. Just be honest...
AFM Cleaning and Maintenance: Keep Deactivation...
Consistent oil changes with the correct dexos oil, a close eye on your oil level, and early attention to ticks are the core of good AFM maintenance. Just be honest...
Best Oil for an AFM Engine: Viscosity, Spec, an...
On an AFM engine the oil doubles as hydraulic fluid for the cylinder-deactivation hardware, so viscosity, the dexos spec, clean oil, and a healthy oil level matter more than usual....
Best Oil for an AFM Engine: Viscosity, Spec, an...
On an AFM engine the oil doubles as hydraulic fluid for the cylinder-deactivation hardware, so viscosity, the dexos spec, clean oil, and a healthy oil level matter more than usual....
P0301 on a GM AFM V8: Cylinder 1 Misfire and th...
A P0301 code points to a cylinder 1 misfire, and on a GM AFM V8, cylinder 1 is one of the four cylinders that get deactivated, so the misfire can...
P0301 on a GM AFM V8: Cylinder 1 Misfire and th...
A P0301 code points to a cylinder 1 misfire, and on a GM AFM V8, cylinder 1 is one of the four cylinders that get deactivated, so the misfire can...
Dynamic Fuel Management Problems: What 2019+ GM...
Dynamic Fuel Management (DFM) is GM's cylinder-deactivation system on 2019+ V8 trucks, and owners report lifter failure, misfires and low-load shudder. Here's what DFM is, the problems people run into,...
Dynamic Fuel Management Problems: What 2019+ GM...
Dynamic Fuel Management (DFM) is GM's cylinder-deactivation system on 2019+ V8 trucks, and owners report lifter failure, misfires and low-load shudder. Here's what DFM is, the problems people run into,...
How to Tell if an AFM Lifter Is Bad: A Driveway...
A driveway walkthrough for spotting a bad AFM lifter on a GM V8 - the tap versus a normal DI tick, which cylinder misfires, the cold-versus-warm check, and when to...
How to Tell if an AFM Lifter Is Bad: A Driveway...
A driveway walkthrough for spotting a bad AFM lifter on a GM V8 - the tap versus a normal DI tick, which cylinder misfires, the cold-versus-warm check, and when to...
AFM vs DFM: What's the Difference on GM V8 Engi...
AFM and DFM are both GM cylinder-deactivation systems, but they work differently and use different hardware. Here is what separates them, and why an AFM disabler will not fit a...
AFM vs DFM: What's the Difference on GM V8 Engi...
AFM and DFM are both GM cylinder-deactivation systems, but they work differently and use different hardware. Here is what separates them, and why an AFM disabler will not fit a...