Originally Posted by
primeredcb7
when i start my car the rpm's raise then drop then raise then drop im pretty sure it's my IAC just wondering
every single honda i have ever owned in my life... never had an iacv go bad... but every single one of the hondas i have had... had this problem you speak of..... every time... it was the tps.... to find out if it is the tps.... while your car is off... unplug it (its on the back of the throttlebody) then start your car... the up and down idle should stop... if not... then your werent as lucky as me...lol