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Discussion Starter · #1 ·
Since I got my crx, I've been trying to get control of how it idles.

As a foreword, I've cleaned my IACV, and religiously done tuneups, including valve lash, pcv, new distributor cap and rotor.

I've always used a digital RPM meter and followed the Helms manual for setting my idle. After putting in motor mounts, I felt like 750 was too rough for me, so I used the Helms procedure to turn it up to 800.

Ahh, much much better. But a few days later it seems my crx has decided to idle at 750 again all on its own. Grr! Is there something else that could be causing this to happen?
 

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yeah the ECU controls the EACV and will target a preset idle. on my crome powered ecu I can change this target value and the duty cyle of the valve. stock you are stuck, i t will compensate/

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My car sometimes feels like it's idling lower than I would like, you know that slightly rough and shaky feel to the car that makes you want to just barely depress the throttle at stop lights to smooth it out. When it bugs me, I usually find that resetting the ECU (by pulling the fuse under the hood, waiting a bit, and popping it back in), and then starting up the car with all accessories turned off and letting it idle untouched for about 10 minutes or so really smooths things out. It might be worth a try to see if you can make the best of the RPM that it's going to idle at anyway. I try to keep my car tuned up as well, and it might not hurt to run some fuel injector cleaner through with your next fill-up just to make sure that's not contributing to the problem.
 

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Discussion Starter · #5 ·
I think I might take the injectors out and have them sonic-tubbed. There's a place right by my house that does it.

Also, I started hearing a squeak from the distributor recently. I popped the cap and saw there is some play in the rotor shaft, and there is a small crack on the metal housing. I ordered a new distributor from Distributor King, so we'll see if it helps some.
 
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