This instruction show you guide on how to use Volvo PTT to diagnose engine performance for Volvo FM440 truck.
Preparations:
2022 Volvo PTT Premium Tech Tool PTT 2.8.150 & 2.7.116 & 2.6 All Version Free Download
Diagnose Volvo FM440 Truck Engine Performance by Volvo PTT:
Connect Volvo PTT interface (VOCOM recommend) to FM440 truck DLC and then run Volvo PTT
After then select
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