Recently we tuned a Nissan Navara STX 550 running the 3.0L diesel engine. This vehicle is used for towing a caravan so we gave it a healthy power increase via our ECU tune which will also help the vehicle save fuel. We closed the EGR valve via the ECU software to prevent carbon build up.
Nissan Navara STX 550 Towing Tune and EGR solution
