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Just did this today and changed plugs while I was at it. It really is pretty simple. Mine has 70k and by the looks of the TBs they have never been cleaned... My towels looked 1000% worse than the pic someone posted earlier.
I also moved the valves since they were so filthy. Started it up afterwards and didn't do the relearn yet (I had the battery disconnected anyway bc of pulling plugs). Idle seems higher than before so I'll try the relearn tomorrow. If you haven't done this yet is worth a look. I could not believe how much gunk and tar was in there. Sent from my VS980 4G using Tapatalk |
The relearn should help drop the idle down to 650 RPM or so instead of 800 RPM. With the battery unplugged earlier, you'll need to do the throttle closed position and accelerator pedal learning procedures. Takes about a minute to get both procedures done.
IMO, there's not much to worry about moving the throttle plates. I've done it many times, which makes it easier to get to the hard to reach spots. I also added some thin lube to the shaft as well. One of them was squeaking earlier. |
I did all resets and I think they took. Idle is near 700 again after warmed up.
A follow up question about the idle relearn reset... I followed the manual and all was fine until the part where it says to hold gas pedal down for 20 seconds until MIL light stays lit, but each time I did the reset it only took about 5 seconds to stop flashing. Is this normal? Sent from my VS980 4G using Tapatalk |
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After a few days of driving my idle has settled down to under 700 now (650 I presume based on previous responses). No more bogging down randomly while sitting at lights either.
So, you were right digitonium! Does not appear you have to continue holding the pedal once the MIL light stops flashing. Sent from my VS980 4G using Tapatalk |
Good AM guys! i hope everyone is ok. Well i want to clean the throttles of my Z tomorrow. And i want to make sure that im going to do this right lol. Someone says that i cant move the butterflies and other move the them to clean it. Also some of you disconnect the throttles and other leave it connected and to finish this some people do the relearn process while others dont do it... im so confused that i dont know what day is today and i forgot my age looooooooooooool!:bowrofl: please if someone can throw me some light im going to appreciated.
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I disconnected the TBs and moved the butterflies on three different Z's in one day a couple years ago without issue. Just make sure you do the pedal position reset. See posts 41-43 in this thread for clarification.
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BTW do you disconnect the battery? |
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Tomorrow im going to do this and clean my AFE drop in filters :) |
Hahaha sorry to say this but im a bit confussed with the relearning process loooool! Car off 10 sec , ignition on 2 sec then repeat this once and thats it? And to do the ignition off i asume that the car have to be with the ignition on right.... Sorry for all the questions... Im just want to make sure that made everything right! Thanks again!
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