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| 1990 sierra carb and choke set up http://auszookers.com/forum/viewtopic.php?f=5&t=47620 |
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| Author: | Nzkarta23 [ Mon Sep 01, 2014 9:42 am ] |
| Post subject: | 1990 sierra carb and choke set up |
Hi wondering if anyone can help me with set up for idle and choke as was idling low and running bit rough so increased idle and idling a lot smoother now but has messed with choke and it's fluctuating between 2000-2200 when auto choke on and sometimes seems like its starving motor once warmed up a bit |
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| Author: | Nzkarta23 [ Mon Sep 01, 2014 5:49 pm ] |
| Post subject: | Re: 1990 sierra carb and choke set up |
More info have got it to idle correctly now but the issue seems to be connected to the lights soon as I turn lights on it choke comes on and won't turn off until lights are turned off |
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| Author: | Blkfxx [ Mon Sep 01, 2014 5:54 pm ] |
| Post subject: | Re: 1990 sierra carb and choke set up |
That's the idle up feature, The carby bumps up a couple hundred revs to compensate for electrical loads (heater fan, lights) You can adjust this by looking on the front of your carby (get someone to turn the lights on and off whilst you look at it) and turning the screw. |
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| Author: | Nzkarta23 [ Mon Sep 01, 2014 8:47 pm ] |
| Post subject: | Re: 1990 sierra carb and choke set up |
Sweet cheers got it sorted now thanks mate was just massive difference was strange was going from 1000 to 2000-2200 just turning lights on |
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