@T5-T6-Schnappi said in Engine optimization Volvo V50 2.0D:

Installing tuning software without doing a proper diagnose to fix potential engine problems is a somewhat special suggestion.

these are the consequences of improper DPF and EGR shutdown!

Don't touch the injectors - it's just the ECM software's fault!

I had exactly the same problem - Rica chiptuning helped me!
https://rica.nl/en/chiptuning/tuning-options/