16/07/2026
🚗 Another day, another vehicle coming in after a disappointing experience elsewhere.
The owner contacted us because the vehicle had recently been to another diesel performance workshop but still wasn’t running as it should. The complaints were all too familiar:
❌ Poor performance
❌ Engine lights
❌ Recently “tuned” but never felt right
Once the vehicle arrived, we put it on the dyno to see exactly what was going on.
📈 We couldn’t even complete a full dyno run before fault codes stopped the test.
After working through those issues, we found the boost tee hadn’t been set correctly, preventing the turbo from producing the boost the combination needed.
🔍 During our inspection, we also found the brand-new air filter had collapsed and been sucked through, meaning it was no longer filtering the engine at all.
From there, we started fresh.
🛠️ The base calibration was redone properly before we got to work with the ECU Shop MMKD, tailoring the tune to suit exactly what the customer wanted.
The end result was:
💻Base map 178hp
✅ 221hp daily/towing tune with improved drivability and response.
🔥 253HP performance tune, while keeping things sensible until the automatic gearbox is upgraded.
💡 Could we have pushed for bigger numbers? Absolutely.
But there’s no point making more power if it comes at the expense of reliability. The goal is always to build something the customer can enjoy with confidence.
This is exactly why proper diagnostics matter. Before we tune anything, we take the time to find the real issue, understand the setup, and make sure the vehicle is actually ready for performance work. That’s how you avoid wasted money, repeated repairs, and disappointing results.
If your vehicle isn’t running right, has been “tuned” elsewhere, or you want a workshop that takes the time to diagnose it properly before touching the calibration, get in touch. We’re always happy to help point you in the right direction.
💙 Build it once. Build it right.
For all your diesel parts, tuning and mechanical
📧: [email protected]
📞: 0490 101 669
🛜: https://modifiedexplorer.com
📍: 2/207 Shellharbour Road, Port Kembla nsw
