Just for the record: I got the throttle body cleaned out totally and cleaned the IAC and its housing. There was SO much carbon buildup in there it was sad. Put it all back together and started the engine. It dieseled and choked for a sec but after I got 'er warmed up it was fine.
Except, well, no change in idle, maybe an extra 20-30rpms higher. Vibration is still there and just as strong . Engine runs very low idle, 300rpm'ish when its cold and I'm in gear with foot on brake.
Curious if the vibration/bad idle could be caused by a bad battery? its mopar-branded and probably about time to replace it considering: it was leaking acid a couple months ago with the old connectors, lights seem to dim up and down with engine on, starter is kind of slow but not really, and it looks VERY beat-up. Still reading good voltages though and it hasn't ever drained down on me even after listening to music with engine off for 30+ minutes. What do you guys think? please oh please dont say alternator, that would be a royal pita....
How does one clean off the MAP/TPS?
98 XJ Sport | i6 | AW4 | 231 | Stone White | Agate Leather
SOLD 01 WJ Ltd | i6 | QT2 | Moog HD steering | Tow Package | Boston Acoustics Audio | RB1 | Lou's Catback | Stone White |