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Home >> Mercedes Benz >> 2001 >> ML430 >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Mixture Formation - 163 Chassis (3 Of 4) >> Self-Diagnostic System >> Purge control valve vacuum control - ME-SFI gasoline injection system - Testing electrical system - AD07.61-P-6000-30A

Purge control valve vacuum control - ME-SFI gasoline injection system - Testing electrical system - AD07.61-P-6000-30A

HAND-HELD TESTER Scope of test Tester/test connection Operation/Prerequisite: Specified value
  • Possible cause/Remedy
1.0 
P0440
P0441
P0446
Purge control valve (Y58/1) 
Vacuum control
  Connect vacuum tester at Y58/1 between the purge line to the activated charcoal container.
Engine at operating temperature and at idle speed.
After approx. 2 min. > 5 mbar and pointer swings; in this case, Y58/1 must actuate cyclically.
  • Vacuum lines
  • Y58/1