This Stage 1 remap breathes new life into the Pathfinder’s 3.0 DCI powerplant by reshaping boost-pressure and injection-timing maps for a more immediate throttle response and a flatter, stronger mid-range torque curve. Rail-pressure and fuel-quantity tables have been refined to improve combustion stability under load, reducing smoke and particulate emissions without sacrificing drivability. EGR flow and DPF regeneration parameters are recalibrated to ensure reliable filter cleaning at lower exhaust temperatures, prolonging component life and minimizing downtime. Automatic transmission shift-logic is subtly adapted to the enhanced torque profile, yielding smoother, more confident up-shifts under acceleration. All calibration adjustments remain safely within OEM limits to protect engine and drivetrain components, delivering a blend of improved pulling power, fuel-economy benefits, and everyday reliability.