9. Intake/exhaust system
160
Lowered output
Leakage of gas from each part of the exhaust sys-
tem
Check or repair it
Clogged air filter element
Replace or clean it
Contaminated or damaged turbocharger
Repair or replace it
Leakage of air from the discharging part of the com-
pressor shaft
Check or repair it
Deformed or damaged intake system hose
Replace it
Poor clamping state
Adjust and tighten the clamp
Contaminated or damaged air filter
Replace and check if the impeller of the
turbocharger is damaged
Poor turbo actuator operation
Replace the turbocharger
Leakage from the engine block and the exhaust
manifold
Check the engine
Contaminated blowby gas and abnormal oil amount
Check the turbo impeller and the turbo
intake outlet
Large gap of the turbocharger wheel, causing inter-
ference with the wall
Check if there is any sand or metallic for-
eign substance
Damaged turbocharger wheel
Check if there is any sand or metallic for-
eign substance
Damaged wheel and shaft of the turbocharger
Check if there is any sand or metallic for-
eign substance
Poor rotating force of the turbocharger wheel
Check if there is any sand or metallic for-
eign substance
Oil leakage
Deformed or damaged intake system hose
Replace it
Poor clamping state
Adjust and tighten the clamp
Contaminated or damaged air filter
Replace and check if the impeller of the
turbocharger is damaged
Leakage of coolant from the turbocharger or oil from
the oil hose
Replace the hose and the gasket
Poor turbo actuator operation
Replace the turbocharger
Phenomenon
Causes
Troubleshooting