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    W204 C220 CDI - throttle valve 100%

    Morning all Both OBD and the Mercedes Me app showing throttle valve at 100% all the time. Car drives fine, but rough for ~5 secs just after switch on at idle until given a bit of gas, like it’s struggling to get to 1000rpm. Didn’t want to link 2 issues that might be unrelated, but wondered...
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