Unconfirmed
Inspect compressed
pressure
Normal
Inspect injection
pump
Normal
Check fuel quality
Use specified fuel
94
7. Engine Knocking
Inspect combustion of fuel & oil
(carbon residue exhaust gas)
Check valve clearance and
cylinderhead gasket for damage
Adjust
Disassemble
engine
Too low
Replace
Normal
Adjust
confirm
Disassemble
engine