LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 1984 >> 190D Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - Diesel >> Trouble Shooting >> Knocking Sound

Knocking Sound

Incorrect fuel grade. Injection pump delivery timing. Valve train needs adjustment. Nozzle spray pattern and opening pressures. Reverse flow dampening valves. Poor compression.