hey sup guys well on my a/f gauge when i drive its goes crazy and goes on lean thru rich like it spreads all over and i land back to rich most of the times.. it use to never like go crazy like this it would always be steady stoich/rich most of times but now just like any1 know/give me some tips on to figure this out.. and is there place where i can buy every vacuum / hoses for the 7mgte i am going to be rebuilding and i want to replace every hose/vacumm hose? thanks for your help guys !