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engine knocking

  1. 406 issue: engine knocking sound when started only + slight 'drag' while driving + poss burning smell ... suggestions?

    Hi all, my 406's got a brief knocking sound that occurs on ignition then settles quickly to normal engine sound. It feels a bit draggy when driving too (as if handbrake is not entirely off, but it is). Third, I noticed a possible mild burning smell when exiting the car, not apparent inside...