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Home >> Volvo >> 2004 >> S40 Base, 1.9 27 >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Intake And Exhaust System - Cleaning, Inspection And Adjustment (644 Body) >> Crankcase Ventilation, Turbocharger Components, Checking And Adjusting (B4204T2 CVVT; 2000) >> Checking Boost Pressure With Manometer While Test Driving the Car >> Repairs

Checking Boost Pressure With Manometer While Test Driving the Car: Repairs

If the test values differ from the above values, read off the DTCs from the EMS 2000 system.

NOTE: Fault code ECM-2D will be stored due to the disconnected turbo control valve.

Check the turbocharger inlet and outlet system for leakage, blockage and unusual noises.

Check that compression, spark plugs, timing, fuel pressure, lambda, CO content, etc. are functioning correctly/are correctly adjusted.

Check that the correct fuel octane is used.

If the boost pressure is correct and well adjusted but there is still power dissipation, first try a new EMS 2000 ECU and check the performance again.

If the result is the same, there is an internal fault. Replace the turbo charger.

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