Idle is too HIGH
12-14-2004, 11:14 AM
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Idle is too HIGH
I own a 97 Prelude. Ok. Before anybody jumps on me about this, I have searched and found everything on fluctuating idles and low idles but nothing on high idles. My car always idles around 1000-1300. There is no bouncing or anything like that. It just stays around there. Some people say to play with the idle screw and some people say not to cause doing that is gonna mess something else up.
Could someone please tell me exactly how to lower my idle. A picture or good description of the location of the idle screw would be greatly appreciated. Thanks.
Could someone please tell me exactly how to lower my idle. A picture or good description of the location of the idle screw would be greatly appreciated. Thanks.
12-14-2004, 11:25 AM
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Re: Idle is too HIGH (jakers)
The idle screw is here on top of the the throttle body...
It will only bring your idle up/down about 200rpms, so if that doesn't fix it, you probably do have a vacuum leak. When was the last time you replaced your intake manifold gaskets? Mine turned out to be soaked in oil from the PCV system and leaking...
It will only bring your idle up/down about 200rpms, so if that doesn't fix it, you probably do have a vacuum leak. When was the last time you replaced your intake manifold gaskets? Mine turned out to be soaked in oil from the PCV system and leaking...
12-14-2004, 11:57 AM
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Re: Idle is too HIGH (Hawkze_2.3)
I just bought this car last week so I dont know the service history on it. I'm in the process of changing all the fluids and sensors and what not. The idiot that owned it before me had automatic trans fluid in it! 
It shifts through the gears sooo much better now that I put honda MTF in it. Thanks for the picture. So messing with this idle screw isn't gonna mess something else up is it? Thanks again
It shifts through the gears sooo much better now that I put honda MTF in it. Thanks for the picture. So messing with this idle screw isn't gonna mess something else up is it? Thanks again
12-14-2004, 12:00 PM
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Re: Idle is too HIGH (jakers)
No, just go mess with it and see if you can bring down the idle enough for your liking...just don't give up trying to find the real cause of the problem.
12-14-2004, 12:16 PM
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Re: Idle is too HIGH (BolivianFuego)
The cable actually has too much slack as it is. But that's a whole new topic. 
I'll get this car running tip top again soon.
I'll get this car running tip top again soon.
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12-15-2004, 03:42 AM
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Re: (IhAvEaLuDe)
Thanks. I'll adjust the cable when I get home tonight. By the way....on the way to work this morning my idle is still too high. It was idleing last night around 800, and this morning it is back up to 1200. PLUS.....every now and then at stop lights the idle bounces from 1200 to 1800. It won't do it at every stop light. Mostly after getting off the expressway. Man I hate little problems like this. 
12-15-2004, 11:24 AM
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Re: Idle is too HIGH (jakers)
its your cold start valve that creates the vaccum leak most likley. There is a write up on this. Use the search button. Messing with your idle adjustment screw is going to create more problems.
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