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Cant pass inspection and emission

1K views 1 reply 2 participants last post by  jbanks15 
#1 ·
I have an 99 SLK 230 today I failed the Inspection it showed P0105 map pressure circuit malfuntion and P0170 trim malfuntion, what should I do? how can I get rid of this problem, I dont want to spend money at the dealership, does anyone else have similar problem? I suspect it might be mass air flow and Map sensor does anyone know where is the map sensor located on SLK 230? thanks.
 
#2 ·
Welcome from Valrico, Florida!
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