When I first start the car, It idles at 1500 -2000 rpms, for about five minutes. then It kicks right down to 750-800, I have no problems. I was wondering if anyone elses does that. I know that it will idle high on a cold start, but 2000 for five minutes seems like a bit to long for me,,,,,,On my old 95 civic EX it would idle high on a cold start, then if I tapped the gas it would drop right down, My b16a crx does not do that, If I tap the gas it will just stay at 1500-2000 untill it gets hot enough? anyone, is this a problem, what to do?

 

Mine does the same thing. I'm sure it's normal. I wouldn't worry about it.

 

Mine bogs and I have to stay on the gas a little to get it to stay running until it's warmed up.

 

the tach says 1200

but my vafc says 800

 

If I tap ythe gas shouldnt it drop right down? why is it staying at 2000=1500 for so long?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by civicciviccivic &raquo;</TD></TR><TR><TD CLASS="quote">If I tap ythe gas shouldnt it drop right down? why is it staying at 2000=1500 for so long?</TD></TR></TABLE>

no it shouldn't drop down.. mine does the same.

 

1000 when cold, and drops down to 800 or so when it warms up

 

About 3200, then it just starts bouncing up and down, up and down..

 

around 1500-2000.

goes down after 5-10min.

goes down to 750 to 800.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Home Skillet &raquo;</TD></TR><TR><TD CLASS="quote">Mine bogs and I have to stay on the gas a little to get it to stay running until it's warmed up. </TD></TR></TABLE>

same here.. I am using the itr mani and tb...

 

Mine did the same thing yours did.

 

Mine takes a bit to go down on cold starts too, but my fan is constantly on so the engine takes longer to warm up.

 

anybody know how to stop my idle screw from vibrating making my idle go up. i have a first gen jdm B16?

 

Mine idles at 1500-2000 rpm when cold... when it's *almost* warm it will bog a little and go under 750, but when it's fully warm it idles solidly at 800 rpm

I've found that turning down the fuel pressure a little eliminates the cold idle bog, but it also hurts power a bit when the car's warmed up

 

my b16 idles at about 1800-2000 for the first 60-90 seconds, then drops down to about 1200 for another 30 secs then goes down to about 800.
I dont let it bother me, I havent had anything bad come out of it yet so...

 

Mine idles at 2000 when i start it. Then i give it a couple revs to 4 or 5, and it's all the way down.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by incubus &raquo;</TD></TR><TR><TD CLASS="quote">my b16 idles at about 1800-2000 for the first 60-90 seconds, then drops down to about 1200 for another 30 secs then goes down to about 800.
I dont let it bother me, I havent had anything bad come out of it yet so...</TD></TR></TABLE>

Diddo. Ryan

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RustyRex &raquo;</TD></TR><TR><TD CLASS="quote">Mine idles at 2000 when i start it. Then i give it a couple revs to 4 or 5, and it's all the way down.</TD></TR></TABLE>

umm. yeah.. this is BAD to do..

 

Unscrew it til you see threads, blot on a little Hondabond or RTV silicone, and screw it back in while wet. It'll cure in the threads and stiffen up the screw.


Mine idles aobut 1500 then drops to wherever it feels like. Sometimes 400-500 RPM.

Our cars idle high so long to warm up the O2 sensor, it's only a one wire, so it doesn't have a heat source besides the engine's exhaust.

 

Yeah, mine does the same thing, 1500 till warm then 700-800.
Seems normal to me

 

mine gos to around 2,000, and stays there for a while, minutes, i lowered the idle screw, but i start it up the next day and its back to 2k

 

Mine idles at 2000-2200K RPM's until it warms up (2-3 min idling) and then it drops to a steady 1000K RPM's.

Everyone says to NEVER REV a B16 when it's cold. Anyone care to share why?

 

it causes blow by. since when the pistons are warmed up they expand so when theyre cold their is a lot of room between the piston and the cylinder wall. when you rev it up more air and fuel will get by and go into your oil. this is a problem on all engines not just a b16.

 

u should never rev ANY engine when cold (~90% of engine wear happens in first 10 mins) just GENTLE driving wen cold if u want it to last and be quick. All honda injection engines ive ever come across rev @1500rpm till warm, NO MORE. it could be mod's causing it or knackered idle air control valve/throttle body or just out of adjustment

 

I adjusted mine to idle at 1100'ish cos the damm thing was all over the place when i fitted my fidanza flywheel, still got a pretty smooth idle though.

But 1500 is normal when cold unless it's really cold then it can get close to 2000