Hey guys. My 88 Xj is, yet again, idling thru the roof. I don't drive it that much anymore (only when it rains here in SoCal, if that tells you anything) and right now for the last few drives it's back to it's old tricks: idling at 3k or so in neutral, drops down to 1800RPMs while driving. I live at the top of a big-arse canyon, and it's carried me all the way up the hill many times now, at 35 MPH or so, without ever touching the gas. Ahhh...good times.
So, I know that one thing to try, after I have ruled out holes in vacuum lines, it to clean both the throttle body butterfly and the IAC. I saw this online, and wanted to get a little feedback before I did this myself. This process look OK to you?
https://www.youtube.com/watch?v=_UUozF7LkUU
I saw many videos just showing folks removing the top 3 torx screws on the top of the flex hose to the top of the throttle body, and spraying carb cleaner down from the top, but then I saw this guy remove the entire throttle body, which seems easy (on video at least) and also allows you to clean the underside as well, and also maybe get to the interior of the IAC a little better (instead of just cleaning the plunger itself?)
One more thing: carb cleaner or AT fluid as a cleaner fluid? I saw someone saying his dealer recommended AT fluid instead? Pros/cons of either one?
Thanks for your time, guys. Wanted to ask first before I jumped into this.
So, I know that one thing to try, after I have ruled out holes in vacuum lines, it to clean both the throttle body butterfly and the IAC. I saw this online, and wanted to get a little feedback before I did this myself. This process look OK to you?
https://www.youtube.com/watch?v=_UUozF7LkUU
I saw many videos just showing folks removing the top 3 torx screws on the top of the flex hose to the top of the throttle body, and spraying carb cleaner down from the top, but then I saw this guy remove the entire throttle body, which seems easy (on video at least) and also allows you to clean the underside as well, and also maybe get to the interior of the IAC a little better (instead of just cleaning the plunger itself?)
One more thing: carb cleaner or AT fluid as a cleaner fluid? I saw someone saying his dealer recommended AT fluid instead? Pros/cons of either one?
Thanks for your time, guys. Wanted to ask first before I jumped into this.