V4 Mode Disabler: Enjoy Full-Time V8 Performance

added blog Automobile

2026-07-15 17:36:53

If you drive a GM truck or SUV equipped with Active Fuel Management (AFM), you may notice the engine switching between V8 and V4 modes during normal driving. While this feature is designed to improve fuel economy, many drivers prefer consistent V8 performance for smoother acceleration and a better driving experience. A v4 mode disabler is an easy solution that keeps your engine running on...

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