Questions & Answers for: idle up and down

idle down. It idles at a little over 2000rpm's I need to get it down to approx. 1000rpm's. My problem is that I don't know which screws to turn down the idle. And if I turn down the idle, will it mess

...the idle keeps going up and down and up and down. Bad O2 Sensor? Thanks. usually idle that goes up and down is cause by a bad "idle control valve" located near the throttle body. Needs to be

idle back down until i stop.Then when i shut it off when it is warm and start it back up it idles high again and won't idle back down until i stop. this could be due to a miss adjusted fast idle screw

idle down switch is turned on you can see the solinoide move the govenor lever to idle down but too much so the engine shuts down. how do you adjust the idle down? Hello, generally there is a screw on

...sensor. If it's a low up and down idle and runs rough it is mass air flow meter. If you unplug the mass airflow meter and it will just low idle (no up & down) then the mass air flow meter is

...vacuum hoses, timing all seems ok. when adjusting tps it will idle too hi and stop going up and down, turning the idle screw don't change anything. can be the automatic idle check that its ...

...down , set and idle for a while it starts idling up and down.any idea's? I have a 1990 S-15 with 4.3 motor idles high when you start, idles down , set and idle for a while it starts idling up and ...

...idle down. If it will idle down, adjust the idle speed to around 500 RPM's and then plug the idle air control valve back in. 2. If it still idles high, remove the air boot from the throttle body, ...

down idle on my 94 civic ex? ' Yahoo ... https://answers.yahoo.com/question/index?qid... Oct 27, 2011 - Okay so im learning lots about Honda's, i have rebuilt motors and put them but i cant ... It has

...make but will start up right away Shifting down to stop it will idle way down an stall out indicates a vacuum leak or idle speed sensor problem may fix by increasing the idle rpm to around 800-950 ...