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| carby is fixed, THANK YOU FELLAS https://auszookers.com/forum/viewtopic.php?f=5&t=9008 |
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| Author: | 31zook [ Tue Jan 05, 2010 2:34 pm ] |
| Post subject: | carby is fixed, THANK YOU FELLAS |
hey my carby will idle fine when you start it in the moring as it's cold but when its warms up it revs then sit's at 2K then you rev it again and it dies... Im wondering if the choke has something to do with it... I have put a can of carby cleaner down it, pulled it apart and cleaned everything out (there was junk in the bowl, for the record) and put it on and it's fine till the motor warms... |
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| Author: | shep [ Tue Jan 05, 2010 2:38 pm ] |
| Post subject: | Re: carby, new issue |
check to see if the throttle shaft bush is floged out and if any of the moving bits are sticking at all. |
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| Author: | 31zook [ Tue Jan 05, 2010 2:50 pm ] |
| Post subject: | Re: carby, new issue |
will have another look.... |
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| Author: | v.w.dave [ Tue Jan 05, 2010 3:19 pm ] |
| Post subject: | Re: carby, new issue |
Mine was acting a lot like your when i first got it. I had a carby guy look at it, ended up being the return spring for the choke had lost its power, replaced it with a $2 new spring and it never did it again. |
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| Author: | 31zook [ Tue Jan 05, 2010 4:29 pm ] |
| Post subject: | Re: carby, new issue |
cheers dave, hmm it sounds like the normal idle fuel feed is getting starved but im sure i have cleaned it all out.. ill blow my lines back now.... |
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| Author: | Brett [ Tue Jan 05, 2010 5:05 pm ] |
| Post subject: | Re: carby, new issue |
when you said you cleaned out the bowl how did you do that? you could of blocked some thing or knocked the float out of whack. that would be the 1st things i look at. |
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| Author: | 31zook [ Tue Jan 05, 2010 6:02 pm ] |
| Post subject: | Re: carby, new issue |
I grabbed a clean rag from my bag-o-rags and a tin of carby cleaner then rubbed it out and sprayed it... I went for a drive, it drove fine and rev'd like a dream, but when i drove up a long hill sucking the fuel through i got to the top and it died on me, but when i cruise along a flat bit of road at 90-100kph it idles at about 600rpm afterwards. but then after a while picks up again. Where abouts is the idle fuel mixture section? Also i pulled the hose off the fuel pump and blew air into the carby with the throttle closed would this be more effective with the throttle open slightly? cheers |
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| Author: | royce [ Tue Jan 05, 2010 9:09 pm ] |
| Post subject: | Re: carby, new issue |
are you vacuum lines on right? almost sounds like your egr is opening the idle up or leaking in air where it shouldnt or your choke isnt working but the idle is set high covering an airleak |
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| Author: | 31zook [ Wed Jan 06, 2010 3:07 pm ] |
| Post subject: | Re: carby, new issue |
hmm i checked the vacume lines as well as i can and when i pull all the lines off it seems to run the same as when there on... I realised yesterday that when you drive it it's fine, but when you work down through the gears coming to a stop, it seems to suck the fuel out of the bowl and starve. But if you knock it out of gear it just idles along like a champ EVERYTIME. what part of the carby would be doing this? |
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| Author: | steak_knife [ Wed Jan 06, 2010 11:26 pm ] |
| Post subject: | Re: carby, new issue |
31zook wrote: hmm i checked the vacume lines as well as i can and when i pull all the lines off it seems to run the same as when there on...
I realised yesterday that when you drive it it's fine, but when you work down through the gears coming to a stop, it seems to suck the fuel out of the bowl and starve. But if you knock it out of gear it just idles along like a champ EVERYTIME. what part of the carby would be doing this? Float could do that. |
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| Author: | 31zook [ Thu Jan 07, 2010 1:35 pm ] |
| Post subject: | Re: carby, new issue |
hmm, thanks stekky, your a good man. 
ill pull it out (again) and just check everything.... i almost decided to drive it into a tree yesterday... looks heaps awesome driving you girlfriend around and at every stop it dies, then makes that horrid grinding noise when you try to start it.... 
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| Author: | 31zook [ Sun Jan 10, 2010 5:52 pm ] |
| Post subject: | Re: carby is fixed, THANK YOU FELLAS |
OK so im writing in to thank everyone for there help. thank you. now that's over with i can tell you what it was. Im pretty sure it was a blocked idle jet. I didn't even have to pull it out to fix it. There is a method i found whilst searching where you take the carby lid off, place your hand over it then rev it and suffocate it. This (for a reason unknown to me) cleans out the jets, on get black junk on your hand but it's a small price to pay for a truck that now works
I picked up another carby in the process and a webber im going to rebuild and try to run for a mate..... 
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| Author: | Ben_Sierra [ Sun Jan 10, 2010 11:50 pm ] |
| Post subject: | Re: carby is fixed, THANK YOU FELLAS |
31zook wrote: OK so im writing in to thank everyone for there help. thank you. now that's over with i can tell you what it was. Im pretty sure it was a blocked idle jet. I didn't even have to pull it out to fix it. There is a method i found whilst searching where you take the carby lid off, place your hand over it then rev it and suffocate it. This (for a reason unknown to me) cleans out the jets, on get black junk on your hand but it's a small price to pay for a truck that now works
I picked up another carby in the process and a webber im going to rebuild and try to run for a mate..... When you rev it then suffocate it, the sudden vacuum sucks a large amonnt of fuel through the jets, pushing out whatever was in the way... Good to see it was an easy one to fix! |
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| Author: | atari4x4 [ Mon Jan 11, 2010 2:26 am ] |
| Post subject: | Re: carby is fixed, THANK YOU FELLAS |
this is also know as the mexican tune, italian tune & what ever other dodgy country you can think of... well done on fixing the problem yourself! |
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| Author: | Rockhopper [ Mon Jan 11, 2010 11:18 am ] |
| Post subject: | Re: carby is fixed, THANK YOU FELLAS |
atari4x4 wrote: this is also know as the mexican tune, italian tune & what ever other dodgy country you can think of...
well done on fixing the problem yourself! lol. Never heard it being called that before. Some of the best mechanics I've ever met have been Italian or Maltese. I've always known that procedure as the rev tune. |
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| Author: | 31zook [ Mon Jan 11, 2010 1:53 pm ] |
| Post subject: | Re: carby is fixed, THANK YOU FELLAS |
the mexican tune BHAHA, thanks atari
and thanks ben-sierra for explianing why it does so. cheers
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| Author: | want33s [ Mon Jan 11, 2010 2:20 pm ] |
| Post subject: | Re: carby is fixed, THANK YOU FELLAS |
Now that it's running right you should replace the fuel filter near the tank AND fit a small filter between the pump and the carby to stop this happening again. |
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| Author: | 31zook [ Mon Jan 11, 2010 3:30 pm ] |
| Post subject: | Re: carby is fixed, THANK YOU FELLAS |
hey good idea jas, thanks |
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