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I have a 2005 Honda Civic, 30,000 miles, idling problems when in first or neutral. Idles randomly too fast, has been checked by mechanic and he could not find the problem, said there is no sticking. Slows down as randomly as it starts. Also, when I try to shift into reverse the shift lever does not move into gear for quite some time and I hear the ''grind em'' noise and feeling.
Re: I have a 2005 Honda Civic, 30,000 miles, idling...
Sounds like airflow problem. try blow air and spray carburator cleaner to clear the passages from all ports leading to/coming out from the plenum. check EGR port for carbon buildup.
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I recommend doing a leak down test. It could be valves or blow by. Also try cleaning the idle air control valve (IAC-V), the exhaust gas recirculation valve (EGR), and fast idle valve (if it has one).
Hi Jason, I suggest you take the vehicle and have a diagnostic scan carried out. Doing that will pin point the problem area and take out the guess work. I have known occasions when someone has tried to adjust the throttle butterfly, hoping to reduce the idling speed and by doing that have taken the TPS (Throttle Position Sensor) out of the correct adjustment, causing abnormal idle speed. Regards John
I had the same problem with my honda. On the throttle body there is a screw that controls idle speed. If your idle speed is around 800-1000 rpm in neutral, tighten the screw a quarter turn each try until the idle speed is around 1500 RPM. Did this stop the idle?
first off you might want to check the mass air sensor, if that's bad the engine will think that it's getting enough air when it's not... you can also adjust the throttle linkage cable so that the throttle plate will be more open when your foot is not on the pedal... hope that helps...
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