Scirocco Central

Hi new to the scirocco, i have a 2009 2.0tsi and noticed a misfire so changed the plugs and coil packs which seem to help alot but still doesn't seem to be as smooth as i would think but no engine light is there anything else to check?

Also have a knocking pretty sure from the rear when braking? Any ideas

Only thing noticed is the bumpstop has split on the rear passenger side but can't see that being the issue being tho it makes the noise on a flat surface its only when braking

Any advice would be great thanks

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Scan it to see what fault codes are stored and that may give you a clue regarding what is causing your issue.

With regards to the rear knock, most common cause is broken spring or worn drop link.