Engine runs pretty well above idle. Idle has some misfiring and surges up and down lightly, maybe 50 RPM or so. Tach shows it idling at about 950 RPM, but not sure if tach is accurate since it's a junkyard unit out of a mystique.
So I read about unplugging MAF to put car into limp mode, to kind of rule out MAF problems. It really exaggerated the idle surging... Idle would surge up and down by about 400 RPM.
I believe if you unplug your MAF it should just idle, maybe slightly higher, but still smoothly, right? My idle gets much worse, so I think my MAF sensor is ok and it's time to look elsewhere.
What do you guys think?