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Home >> Mercedes Benz >> 2000 >> SL600 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics With Codes >> Diagnostic Tests >> DTC P0440: Regeneration System Leaking (Causal Chain) >> Testing Procedure

Testing Procedure

NOTE: Manufacturer does not specify this code to either left or right purge control valve. Perform test procedure for suspect purge control valve or if unable to identify suspect purge control valve, perform both test procedures.
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