Guys dont worry, though its not normal. Most mechs will give you theories instead of factual. Check on the engine mountings and am sure thats the problem. Mine had the same problem 2 days ago, i got this young mech from Grogon and as we rode to town he told "boss your mountings are gone, thats why you hear that diesel like sound" he replaced themm and today am enjoying my demio again.

Hard to get but you could get them in industrial area or grogon you just need to be patient. I once looked for a demio sensor for 2 weeks and then they come at crazy costs. I like its consumption anyway

I didnt know men owns and drives Demios until I read this thread.
SAD INDEED!!!!

Pride comes before fall. I proudly drive a vitz. ni mfuko wangu and if thats how to avoid matatus so be it. Nobody forced them they chose or their situation dictate. Thank God for your Hummer but by no means look down on up coming hustlers. Kila Nyani...

Impunity wacha kelele... I have also owned a demio. both 1340 and 1500 cc. Na sasa natumia nissan march ya mama (Its on sale... inaweza kubeba certificate ya yellow fever). One thing... never peg the worth of a man by the means of mobility... You will be shocked