PRE-RELEASE
Fault diagnosis, fault symptoms
📄 Whining noise from turbocharger (A20NFT/LHU)
📄 Whistling noise from turbocharger (A20NFT/LHU)
📄 Oil leakage from turbocharger compressor seal (A20NFT/LHU)
📄 Oil leakage from turbocharger turbine seal (A20NFT/LHU)
📄 Missing oil supply to turbocharger (A20NFT/LHU)
