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Home >> Mercedes Benz >> 2001 >> ML320 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Fuel Injector Tests >> Injector Leak Test

Injector Leak Test

Remove fuel rail with fuel injectors. Connect jumper wire between ME-SFI control module connector "A" terminal No. 3 and ME-SFI control module connector "C" terminal No. 29 (socket box terminals No. 3 and 21). Turn ignition on and observe fuel injectors. Fuel injectors must not drip. If fuel injector(s) do not drip, test is complete. If fuel injector(s) drip, possible cause is faulty fuel injector(s). Repair or replace as necessary.