At Power Curve Automotive, we’re passionate about unlocking the full potential of every vehicle that comes through our doors. Recently, we had the opportunity to work on a 79 Series Land Cruiser, where the owner requested a custom ECU tune to enhance performance and reliability. What followed was a meticulous process of diagnosis, rectification, and tuning to ensure optimal results. Join us as we take you through the journey of transforming this Land Cruiser into a powerhouse on wheels.
Identifying the Issue - 79 Series Land Cruiser ECU Tune
The journey began when the owner expressed concerns about the vehicle’s performance, describing it as “lazy” and “extremely sooty.” Upon test driving and scanning the ECU, our technician observed minimal boost levels and rich air-fuel ratios, indicating a problem with the turbocharger system. Further inspection revealed that the turbo actuator had been improperly adjusted, leading to a loss of boost pressure and compromised performance.
Rectification Process
With a clear understanding of the issues at hand, our team outlined a comprehensive plan for rectification. The first step involved removing the turbocharger for inspection and adjustment. This process required careful disassembly, adjustment of the actuator rod, and replacement of missing bolts to ensure proper alignment and function. Additionally, the turbo map filter was replaced to prevent contaminants from entering the system.
The Tuning Process
Once the turbocharger issues were addressed, our focus shifted to optimising engine performance through a custom ECU tune. We carefully adjusted boost levels and fuel delivery to achieve the perfect balance of power and reliability. With the new tune in place, the vehicle underwent testing to ensure smooth operation and optimal performance.
Final Touches and Testing
With the custom ECU tune complete, our technician performed final checks and replacements to ensure everything was in order. The turbo map filter was fitted, and vacuum lines were replaced to maintain system integrity. After thorough test-driving and inspection, the vehicle was deemed ready for the road, delivering improved power and responsiveness.
Incorrectly fitted turbo... we can fix it!
