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Engine GCV190-AS3A Honda idles too fast. How to adjust idle?
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Posted on Jan 02, 2017
It sounds like an automatic choke system. Let it warm up for 5 minutes and then give it gas up to 2000rpm and release.
Posted on Nov 19, 2008
you need to take your air filter off and look into the throat of the carbruetor to see if the ""Butterfly""
is still intact and working not the choke butterfly its the one closest to the engine that moves with the throttle and be sure it is still there and moves as you move the throttle.... open is horizontal and closed is not quite 90 Degrees. check to see it is tight and in the center if the throat when closed.
you may have to remove the carb. to see it function more clearly
make sure the throttle cable is free and not binding any where and to be sure of its adjustment to allow the throttle to return to the idle position.
lubricate the cable from the trigger to carb. wd 40 is ok.
if all above is ok then find the L on the carb. and ccw it 1/8 turn to ritchen it alittle to help slow the idle down some to a respectable level
Posted on Jul 04, 2009
po505 idle air control if this is the code all hondas do it eventully, small problem easy fix u have 2 choices either remove the idle air control motor and clean the inside of it u will find it's black and the spring inside is stuck clean it with carb cleaner or gum cutter any parts store will have this it's a dirty job it will work for awhile but to replace it is recommended its not expensive for a new one which u can get at any autoparts store autozone,advanced,napa etc. there is only 2 bolts in most cases maybe 3 i doubt it though if u go online t google and type in th eyear make and model and engine size in ur case it's a 3.0 v6 and look for idle air control locations u'll find it to do this job a shop will charge u anywhere from 100.00 for diag to retrive the code plus the part and the labor so about 250.00-375.00 it will only take u honestly maybe 15 minutes to perform only tools needed are a 10 millimeter wrench there is only 1 connector to disconnect and ur done if u do this u will still have the check engine light because u have not cleared it from the computer to do this just disconnect the negative battery terminal (the black one or has a neg sign - don't disconnect the positive side +)for 5 minutes then reconnect and the computer will have reset no more light. good luck it really is that easy
Posted on Oct 10, 2009
Yeah it sounds kinda high. There is no adj except for the idle screw on the throttle, the computer does the rest, if it has one. If not, then you can adjust it some how. If carbureted, check for 2 little screws in the front, and check the choke, If throttle body, then just the idle screw, the idle should be around 1000. Hope this helps.
Posted on Jul 03, 2010
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