CLK-Class (W208) 1998-2002: CLK 200, CLK 230K, CLK 320, CLK 430 [Coupes & Cabriolets]

CEL n misfires fixed w plugs n wires week later Rough idle new error codes

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Old Apr 24, 2022 | 11:11 PM
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2004 CL500; 2010 S 63 AMG; 2001 CLK430 Convertible Designo,; 2012 CL63 AMG Black on Black Designo
CEL n misfires fixed w plugs n wires week later Rough idle new error codes

Hello everyone,

I had misfires on cylinders 2 n 4 and changed plugs and wires got rid of cel. Ran smooth then after opening it up a few times about a week later rough idle came back... I had a neighborhood shop change the plugs and wires for $65 so I first thought a loose wire. But I got these fuel related fault code with OBD and Xentry see fotos.

Does anyone know what this means for sure or almost sure








History car bought at auction and may have sat for six months but have driven for 2-3 months. I've bought a fuel filter to install and ran sea foam additive re possible bad fuel.

If anyone has suggestions thanks!
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