Fault cause: injector fault
1 Check whether the indentation on the sealing surface at the connection between the high-pressure connecting pipe and the fuel injector is regular;
2 Check the fuel return quantity of fuel injector;
3 Check whether there are signs of fuel injection at the front of the fuel injector;
4 Check whether the injector gasket thickness is correct;
5 Clean or replace the fuel injector and replace the clean fuel;
Fault cause: shock absorber is damaged
1 Check and replace the shock absorber;
Fault cause: intake system blocked or leaking
1 Check whether the air filter and intake pipe are blocked or leaking;
Fault cause: valve leakage or abnormal valve clearance
1 Check and adjust valve tightness and valve clearance;
Cause of fault: engine internal damage
1 Analyze the oil and check the oil filter to determine the possible damage;
If the above content does not help you solve the problems related to unstable idle speed of the generator set engine, please contact: sale01@genpartstec.com