Peterbilt 386 14.9L I6

ECU Chiptuning Performance Results

Estimated power and torque gains after Stage 1 ECU remapping

Engine power

Power hp

+119 hp
Original 593 hp
Stage 1 712 hp
Gain +119 hp

Estimated Stage 1 gains are calculated from stock values using an approximate 20% increase. Actual performance improvements may vary depending on vehicle condition, fuel quality, hardware configuration and operating environment.

To order chip tuning, contact us
Price: €0.00
Tax included

Chip tuning for the Peterbilt 386 14.9L I6 involves recalibrating the engine’s electronic control unit (ECU) to adapt its performance to specific operating conditions and truck requirements. For the 2005 model with a 14.9L I6 engine and a Motorola CM870 ECU utilizing an ECU Micro processor, we perform a detailed analysis of the engine’s current operating parameters.

The chip tuning process adjusts the ECU’s software, impacting the fuel system, ignition timing, and other critical parameters. This enables optimization of fuel consumption, which is particularly important for freight transport, and also increases engine life while maintaining stable operation.

For trucks like the Peterbilt 386, a key consideration is the ability to disable environmental control systems such as AdBlue, DPF, and EGR, if necessary. This helps avoid costly repairs and downtime, especially under intensive operating conditions.

At AutoChip.lv, we understand that engine reliability and durability are priorities for truck owners. Therefore, our work focuses not on short-term power gains, but on ensuring optimal engine performance throughout its service life.

ECU reprogramming is performed taking into account all technical features of the engine and its components, guaranteeing stability and safety. Chip tuning for the Peterbilt 386 14.9L I6 is an investment in the efficiency and reliability of your truck.

Specification

Power (KW) 442
Power (HP) 593
Torque (Nm) Torque (Nm)
Power (PS) 601
ECU Brand Motorola
ECU Version CM870
ECU Micro ECU Micro
Tools KESS3 compatible Powergate not compatible
Connection OBD available
Year 2005
Type Trucks

Choose your vehicle

To view the chip tuning options available for your vehicle, select the make, model, year and engine.