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-   -   2002 C320 w203 code p2071 & p2086 (http://www.peachparts.com/shopforum/tech-help/423991-2002-c320-w203-code-p2071-p2086.html)

DavidH714 12-10-2024 11:39 AM
2002 C320 w203 code p2071 & p2086
 
Hi, I need some advise to diagnose causes & parts needed to fix code p2071 & p2086. I have replaced all coils, wires, & plugs but still have rough idle problem. Fresh oil & filter change. Drives fine at speed. What is wrong,

2002 c320 base wagon. W203

Thanks in advance!

David

DavidH714 12-10-2024 11:43 AM
P.s. I replaced all coils & plugs twice. Had cylinder 1 misfire code, that have been cleared & gone away.


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