reving up and down. help!
 

ok so here is what mine is doing. i start my car up then let it sit for awhile hit the brake then it will start reving up and down. sometimes once the fan kicks on it stop reving up and down also. i leave my tubo timer on and walk away it straights out after 20 sec of running. i have clean out the icav ------ card clean around trying to find a vac leak and nuttin any ideas??iwhen im at a light and it starts doing that i can hold the brake and let the clucth out a litt and sumetimes get it to stop reving up and down.its not trying to die when it revs up and down. could i be having volt probblems?? i am blowing alternator solenoid valve fuses when i drive the ---- out of the car. have a b16a in a ef p28 chipped
thanx

Re: reving up and down. help!
 

clean your idle air control valve

Re: reving up and down. help!
 

i alreayd have cause i seen in other post about it.

Re: reving up and down. help!
 

if you already cleaned and that didnt work swap it out with another one..thats is your reving problem.. is the iacv even hooked up??

Re: reving up and down. help!
 

try changing the size of your avatar...

Re: reving up and down. help!
 

What is your dizzy set at b/c if i set mine at o% my car idles fine like 750-800 rpm but runs kinda shitty when its advanced my idle bounces 10 times then it will idle at 1000-1200 but it drives fine

Re: reving up and down. help!
 

well this is even happing when the car hasnt even warmed up.sorry didnt say earlyer. i can sit in side and press the brakes hard then itd start doing it. avatar????? idk sorry. but ya mine idles at 1000- 1200 but once it starts reving its in between 800 and 1200. it does do that some times when im at a light itll rev few times then straightin out.

Re: reving up and down. help!
 

https://i124.photobucket.com/albums/...cture001-1.jpg

that big ass ------ picture to the left of your words needs to be like 60x60 pixels... :1

Re: reving up and down. help!
 

On the B16a it could be the FIT valve, which is on the same housing as the IACV, check your hose routing. Clean the IACV, check if the FIT valve is getting good waterflow. Change either or appropriately.

Re: reving up and down. help!
 

ya i took if off today and clean the iacv i have check the flow thats all good. i have put air threw it to with the air compressior so idk

Re: reving up and down. help!
 

FITV

Re: reving up and down. help!
 

k so ihave clean bout fit valve and the iacv. what happens now is i hit the brake it revs up and down once i let the clucth out a litt and smooth out the idling it stops???? and ideas?? think it could still be a vacumm leak?

Re: reving up and down. help!
 

FITV FTMFW O0

here is an ACTUAL tech article on ht that solved my problems..

http://www.honda-tech.com/zerothread?id=1003988

Re: reving up and down. help!
 

if your good, no need to remove it from the TB :)

Re: reving up and down. help!
 

well thanx you very much ill check this out tonight thanx again all i did was take it apart and clean it didnt know about the screw part inside thanx again

Re: reving up and down. help!
 

so i did that and i still have the probblem ??? but that did help it a litt so i thanx you for that

Re: reving up and down. help!
 

make sure throttle cable has slack in it

make sure the throttle opening is clean

those don't help, turn the idle air bypass screw all the way in, then back out 1.5 turns (just like a carb!)

Also, you'll see two holes inside the TB opening, put a fibger over both of them (like Helms sez to do)

Re: reving up and down. help!
 

Would a faulty brake booster cause a vacuum leak? You said it starts when you hit the brakes. I'm not too familiar with boosters, just throwing out an idea.

Re: reving up and down. help!
 

now see i was kinda thinkin that aslo abot the brake booster but hell idk :1

Re: reving up and down. help!
 

I guess the easiest way to find out, would be to unplug the vacuum line to the booster, and plug it temporarily.

Re: reving up and down. help!
 

this is what happen now i took the icp apart and let it warm up. jyust the hole on the side and its still suxing in air. not bad like when is starts. but it doesnt rev up and down could it be a boost leak???? when i hit my brakes when the car is sitting still the motor revs up to like 2 grand tho but doesnt jump around.

Re: reving up and down. help!
 

Try burning a map based on different code, IE, if you're using a P28 map switch to a P72 base.

Re: reving up and down. help!
 

My car did the same thing and it ended up being the crank angle or cyp sensor in the dizzy.
Try a different dizzy.

Re: reving up and down. help!
 

swap the outter wires on your tps ;)