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| Throttle Screws http://www.club323f.com/forum/viewtopic.php?f=18&t=1849 |
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| Author: | Marky Mark [ Mon Dec 20, 2004 10:40 am ] |
| Post subject: | Throttle Screws |
I think this is one for Robbie mainly: when the idle on my V6 was a bit high I adjusted it with the small screws on the throttle body, but have since learned these are set by the factory and shouldn't be adjusted - there is a separate screw for the idle adjustment. So, do you know what the correct setting for these screws is? I'd like to get them back to the correct setting. There are two (with locknuts), one for the butterfly and one for a quadrant type thing on the side of the throttle body where the cable attaches. Any info gratefully received..... |
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| Author: | tucker101uk [ Mon Dec 20, 2004 1:14 pm ] |
| Post subject: | |
Uh Oh.... |
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| Author: | Marky Mark [ Mon Dec 20, 2004 1:21 pm ] |
| Post subject: | |
I know. It hasn't done any harm but it's a lesson not to meddle with things if you don't have the right info..... |
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| Author: | Roadster Robbie [ Mon Dec 20, 2004 7:56 pm ] |
| Post subject: | |
Do you mean you have moved the electrical throttle sensor with the plug on it? This has 2 8mm bolts. Of have you taken the throttle quadrant off  Surely this is on a "flat" on it's spindle and will only go on one way. Can you post/email some pictures of what you have adjusted/buggered 
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| Author: | Marky Mark [ Tue Dec 21, 2004 10:01 am ] |
| Post subject: | |
No, there are two little grubscrews (use allen key) with locknuts (8mm I think), one on the sprung quadrant where the throttle cable attaches, and one on top of the throttle body that acts as a stop for the butterfly (I think). This is from memory now as I'm at work but I will check later at home. I'll try to get photos too. |
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| Author: | Roadster Robbie [ Thu Dec 23, 2004 12:28 am ] |
| Post subject: | |
Oh right, I think I know the ones you mean. i don't think there are any settings for these, as you say they are factory set  I 'll have a check for you 
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| Author: | Marky Mark [ Thu Dec 23, 2004 12:56 am ] |
| Post subject: | |
Thank you. Do you think Tucker's new avatar is supposed to be a close likeness..?? |
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| Author: | Roadster Robbie [ Thu Dec 30, 2004 11:17 pm ] |
| Post subject: | |
Sorry, I forgot to check the screw setting, I'll have a rumage tommorrow for you
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| Author: | Roadster Robbie [ Sat Jan 01, 2005 9:40 pm ] |
| Post subject: | |
"The throttle screws are factory set and should not be adjusted, any adjustment of the throttle screws will have a detrimental effect on the engine perfomance" ....or words to that effect. Sorry to be the bearer of bad news mate 
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| Author: | Marky Mark [ Sun Jan 02, 2005 12:44 pm ] |
| Post subject: | |
Thanks Robbie. Not sure how it can have much of a "detrimental effect" as the butterfly is closed and the screws only change its positon by a gnats knacker. The engine doesn't feel any different, but I'll see how it goes for a bit. I understand there are some pins to short together on the diagnostic connector before adjusting the CORRECT idle screw (the big one in the top of the throttle body) - do you know which ones...? |
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| Author: | Roadster Robbie [ Sun Jan 02, 2005 5:43 pm ] |
| Post subject: | |
If you've got a sticker in the lid of the Diagnostic socket you need to short out TEN (Test ENgine) and GND (GrouND) to adjust base idle and timing. If you don't have a sticker these is the pin arangement :- ___|FEN|MEN|___|TEN|+B| |GND|OO|OO|OO|OO|OO|OO| __|OO|OO|OO|OO|OO|OO| _|OO|IG-|GND|TFA|F/P|OO| _|OO|_____________|OO| OO is a blank terminal. I hope you can work it out. You may/probably will have extra terminals/some missing (i.e. TBS, FBS, TAB, FAB, KLN) but I don't have the compleate diagram to hand. TEN and GND as the same on all cars though and these are the ones you need
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| Author: | Marky Mark [ Mon Jan 03, 2005 11:13 am ] |
| Post subject: | |
Excellent! Thank you.... |
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