Low idle (sometimes)
09-30-2007, 07:59 PM
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Low idle (sometimes)
I have a 2000 ex coupe and sometimes the idle is lower than normal usually on hotter days and only when the sun is out, I also notice that when I am reverseing as soon as I take it out of reverse to go into first the RPMs will drop significantly. Has anybody else had a similar problem?
10-04-2007, 07:53 AM
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I have the same car and I've been having a low idle too. It usually only happens when the outside temp is on the warm side. I've done the following.
cleaned IACV numerous times.
replaced IACV with a know working one
cleaned TB
Final result....I'm still getting low idle. I mean really low, but it never dies.
I haven't bled my coolant system yet. You/we may have bubbles in it. I may replace the O2 just because.
The only constant thing is that it usually only happens when it's hot out.
cleaned IACV numerous times.
replaced IACV with a know working one
cleaned TB
Final result....I'm still getting low idle. I mean really low, but it never dies.
I haven't bled my coolant system yet. You/we may have bubbles in it. I may replace the O2 just because.
The only constant thing is that it usually only happens when it's hot out.
10-08-2007, 11:54 PM
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Re: Low idle (RedSix)
I used to have the same issue in my 94 ej1 solved the problem by cleaning the TB and using a fuel injection system cleaner (not just the ones you mix with gas)
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10-09-2007, 07:28 AM
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Re: (kiddcarbuff)
this is starting to be a characteristic of civics. just like the quarter panel herpes. its bound to happen.
a fix for me was replacing my new(er) chassis grounds (99 GSR) to my old rusty stock grounds (92si) then resetting the ECU and letting it idle for a few minutes w/ no load. i went out and puched it to redline a few times and now it doesn't do the stoplight shutters anymore.
this is one of those effed up issues thats got a different fix for everyone. search "low idle" and start to troubleshoot. don't replace and pray cause thats just gonna cost a fortune. after replacing o2 sensor, IACV, TB, ETC. all it took was a set of crusty ole cables in my box of parts that never made it back into the car.
a fix for me was replacing my new(er) chassis grounds (99 GSR) to my old rusty stock grounds (92si) then resetting the ECU and letting it idle for a few minutes w/ no load. i went out and puched it to redline a few times and now it doesn't do the stoplight shutters anymore.
this is one of those effed up issues thats got a different fix for everyone. search "low idle" and start to troubleshoot. don't replace and pray cause thats just gonna cost a fortune. after replacing o2 sensor, IACV, TB, ETC. all it took was a set of crusty ole cables in my box of parts that never made it back into the car.
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