Mercedes Benz

Mercedes Benz Diagnostic and Repair Information ,Wiring Diagrams. DTC. TSB. Types: TSB, DTC, Wiring Diagrams, OEM Procedures. Trusted by more than 400,000 technicians. OEM accurate fix for faster repairs. Repair Procedures and Labor Times. Factory Auto Repair info. Request A Demo Today. Factory-Correct Diagrams. Factory Part Numbers. Maintenance Schedules. Repair Procedures. Labor Times. Types: TSB, DTC.Mercedes,Mercedes,Benz,Mercedes-Benz UK,A,Class,B,Class,C,Class,E,Class,CLA,CLS,G,Class,GLA,A

Tuesday, October 10, 2017

P0442 Purge control system has slight leak / Leak in hose connection or shutoff valve of activated charcoal canister (P0442)

P0442
Purge control system has slight leak / Leak in hose connection or shutoff valve of activated charcoal canister (P0442)
Possible cause:
Purge control system has leak (function chain)
Affected functions:

Fuel system

Test 1: Fuel tank leak test ( Valid for (USA) )
1. Fuel tank leak test ( Valid for (USA) )
Warning!Communication with ECU required.