hi everyone i recently bought a 1994 volvo 850 and love how it drives when its running.right now it is not i had a guy come look at it beacause it stopped starting and ended up being the crankshaft position sensor well the guy removed it took my cash to get new one and never came back with the cash or the part so i ordered one and should be receiving it in the mail my question for anyone who can help is can i replace the part myself is there a special procedure to put the new one on or just put it on and fire it up.i would pay someone but have no money at the moment if anyone can give me directions iwould really appreciate it thanks and happy holidays!