9. Intake/exhaust system
142
Lowered output
Leakage of gas from each part of the exhaust system 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 compres-
sor 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 turbo-
charger is damaged
Poor turbo actuator operation Replace the turbocharger
Leakage from the engine block and the exhaust mani-
fold
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 interfer-
ence with the wall
Check if there is any sand or metallic foreign
substance
Damaged turbocharger wheel
Check if there is any sand or metallic foreign
substance
Damaged wheel and shaft of the turbocharger
Check if there is any sand or metallic foreign
substance
Poor rotating force of the turbocharger wheel
Check if there is any sand or metallic foreign
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 turbo-
charger 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
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