I've had an issue haunting me. My idle seems a bit stumbly, and when taking off from a stop sign, it stumbles a bit until it gets rolling and revs are around 2300 rpm, after that it runs fine. I changed plugs about 500 miles ago and it ran fine after, perfect in fact. It just started doing this again. I cleaned the MAF and aux air regulator also at plug change, so I know they're fine. Could it be a bad injector or?? Plug wires seem fine, no arcing going on. Any positive ideas appreciated.
The idle control valve playing up could cause this sort of problem - The first thing I would do is search that subject on Fchat and Google (other search engines are available! )
Yes, I'm still thinking this could be the culprit, and will test it out a bit more here. Even though it moves freely and is clean inside, doesn't mean it's operating as it should. I should also note, I've powered the battery off and did a reset of the computer, but to no long term improvement. It helped a bit, then relearned and acted up shortly after several attempts. I have some info on testing the electrics of the air regulator so will try that here when time allows. The MAF was clean, seems to be doing it's job appropriately.
