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idles poorly when cold

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idles poorly when cold
« on: October 25, 2008, 06:42:35 PM »
I am new to the samurai world i receently got an 87 and am having issues when it is cold with the idle, when it warms up it idles kinda high i cleaned out the EGR any tips

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Offline SNJSamurai

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Re: idles poorly when cold
« Reply #1 on: October 25, 2008, 09:10:26 PM »
suzukiinfo.com 

 you can download the whole factory service manual and look under maintenance procedures i think and it will tell you. the carb has a cold idle and hot idle adjustment. to adjust the cold it has to be cold or next time u start it truck might run way to high or even stall. i know because it happen to me lol
Bob
88' Samurai - 5" Lift, 3" DIY Body Lift, 31" Baja Claws, Rattle can flat green, Smittybilt Winch, Custom front bumper, 1.6 swap in progress

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Offline idaholwb

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Re: idles poorly when cold
« Reply #2 on: October 26, 2008, 07:12:40 PM »
 Sounds like someone that didn't know their |removethispart|@$$ from a screwdriver adjusted the wrong screws on the carb.
 If you look at the carb, down low from the passenger fender looking across in front of the battery where the throttle cable goes, there are 2 screws. The rear one towards the firewall is the warm idle screw. The other is forward and just slightly higher than that. You can just barely see is. A bracket is in the way.
 With the engine cold, first thing in the morning, start the Sami with the hood open. Adjust the front screw in until you hear the idle smooth out and get a little higher, try not to take your time on that because you might end up on the warm idle circuit. when the engine warms up, adjust the rear screw out just a little, make sure the throttle cable doesn't have any tension on it. If it does, loosen the outer locknut and give just a little slack to the cable, about 1/4" up and down play in the middle of it's free length.
 That should help take care of it, the only other potential issue is whther the timing is out.
97 Sport
265/70-16s
2" lift
2.0 swap
I know...Pretty boring... FOR NOW...

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Offline SNJSamurai

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Re: idles poorly when cold
« Reply #3 on: October 26, 2008, 08:56:44 PM »
i not challenging your knowledge my friend but in the FSM it tells you a totally different way how to adjust the idle.  its possible your carb is different than mine.

here is a link that shows pictures and explains.

http://www.suzukiinfo.com/sierra/idlespeedadjustment-hitachi.zip

hope it helps
Bob
88' Samurai - 5" Lift, 3" DIY Body Lift, 31" Baja Claws, Rattle can flat green, Smittybilt Winch, Custom front bumper, 1.6 swap in progress