13
13-25
Symptoms
Engine does not start
Engine hard to start
Engine knocks
Engine output inconsistent
Engine output not sufficient
Engine maximum speed too high
Engine idling unstable
Engine stalls immediately after start
Engine does not reach maximum speed
Engine does not stop
Fuel supply insufficient
Engine control warning lamp illuminates
Reference
Gr
Possible causes
Oil viscosity unsuitable O O Gr12
Valve clearance incorrect O O
Gr11
Defective cylinder head gasket O O
Valve and valve seat worn and carbon deposits O O
Valve spring fatigued O O
Piston ring worn and damaged O O
Piston ring groove worn and damaged O
Piston and cylinder liner worn O O
Cooling system malfunction O O Gr14
Defective starter switch O O Gr54
Blown fuse O O O O Gr54
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