Originally Posted by my99wrx

yeai was askin subaru bout my rough idle they had a winge that i had a3 inch tbe. they recon that fucks things around coz most ppl aprently dont put an oxygen sensor back in and a new one a seperate temperatre sender i narrowd down to throttle position sensor or the amf sesor. tomoro i dipping the amf sensor in some metho spirits and see how that goes then i will check the throttle postion sensor with an ohm meter. i aslso use a bit of genise upper engin cleaner (that makes big difference if got a dirty throttle body good to clean out every now and again.