I blew my old engine, so I put a new one in. I'm pretty sure everything is right, but when i start it...it runs....it just sounds like a lawnmower when you press the gas. any ideas???? Also...when i first got it runing the other night, it would idle around 2000rpms. what could it be? anyone have a vacume hose diagram?

 

gotta be alittle more specific.. which motor into which car? did u remember to hook up the exhaust?

 

try adjusting the idle nut
ur car is suppoes to idle at 300

 

could be a crack in the exhaust manifold as well, but it can be that u didn't bolt the downpipe to the cat tight, or the b pipe to the the cat tight. U didn't forget any exhaust gaskets either, right?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by labatia &raquo;</TD></TR><TR><TD CLASS="quote">try adjusting the idle nut
ur car is suppoes to idle at 300</TD></TR></TABLE>


Idle at 300? How about a big fat NO.

More like 750-900

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by labatia &raquo;</TD></TR><TR><TD CLASS="quote">try adjusting the idle nut
ur car is suppoes to idle at 300</TD></TR></TABLE>

hahah you ****** idiot

 

honda does make lawnmowers you know

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by labatia &raquo;</TD></TR><TR><TD CLASS="quote">try adjusting the idle nut
ur car is suppoes to idle at 300</TD></TR></TABLE> hahahahaha

More info would help

 

heh, my civic idles at 300, no really it does... But taht's just good for gas savings and occasional stalls... Maybe I should adjust my idle.. but it is kind of cool when ppl look at the tach and think the car is off..

 

Yeah, if you like to have your car shudder like it's having a seizure, set that idle at 300.

 

maybe a spark plug wire is loose? I've had that happen to me and my car runs like you're describing.

 

back when I had my d16y8 I idle at 300 also

 

Is the exhaust bolted in correctly? Sounds like you have an exhaust leak if your saying it sounds like a lawnmower sort of.

 

I think your right, check the vacume hoses. My bud had the same problem with the h22..... it was a hose on the intake manafold (i think) ill find out for ya.

 

Did you install a set of blades under it?
j/k

Sounds like it may be exhaust..
did you put the donut gasket back in the pipe at the header?

 

open headers =p

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by CNY Hatch &raquo;</TD></TR><TR><TD CLASS="quote">maybe a spark plug wire is loose? I've had that happen to me and my car runs like you're describing.</TD></TR></TABLE>

Same. Also my spark plug seals where gone. Replaced them and my plugs and it was fine.

 

do you have any exhaust pipe mods? Like 2.25 inch or 2.5 inch piping? that somtimes makes it does it because no back pressure and or if you have cheap *** exhaust

 

oh yea or a fat *** exahust leak, a friend with a accord has one almost all the way around his piping and it sounds like chit

 

My z6 smells like a lawm mower after I drive it...great smell. mmmm richness

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by drives a vtec &raquo;</TD></TR><TR><TD CLASS="quote">heh, my civic idles at 300, no really it does... But taht's just good for gas savings and occasional stalls... Maybe I should adjust my idle.. but it is kind of cool when ppl look at the tach and think the car is off..</TD></TR></TABLE>

hahaha how can that save gas. u need to push more gas to get the car goin smooth . its bad for the engine.


like they all said, most of the time it would be the exhaust leak somewhere, more like an hole somewhere or u forgot to put a o2 sensor in.

 

Actually it still idles around 300, now i have a new muffler and the car dying stopped. I'm happy with my new muffler, looks stock, not horribly loud, and it was cheap. It's a dynomax superturbo. Keeps the cops away from me, unlike my previous hayame...

But I have heard a lot of ppl saying that any honda with aftermarket exhaust sounds like a lawnmower, so i guess it could be a personal opinion...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by rukawa1one &raquo;</TD></TR><TR><TD CLASS="quote">could be a crack in the exhaust manifold as well, but it can be that u didn't bolt the downpipe to the cat tight, or the b pipe to the the cat tight. U didn't forget any exhaust gaskets either, right?</TD></TR></TABLE>

check for cracks header leak maybe.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by labatia &raquo;</TD></TR><TR><TD CLASS="quote">try adjusting the idle nut
ur car is suppoes to idle at 300</TD></TR></TABLE>Nerd......try 750rpms

 

its a d16y7, i use to have the y8, but i blew it...and i dont feel like gettin a mini me, but anyway, i put it in, its from a 00 civic NON VTEC ...i used my old 97 vtec intake manifold on the non-vtec head, it bolted up good. shouldi not have used it? also i went to the dealership today and looked under the hood of the same modle cars....with the same intake man. and they had a sensor on the back by the throttle body but the side closest to the firewall , mine dosnt have that, it still has the 3 sensor splice because i used the same VTEC wiring harnes....thats why i used the VTEC manifold, but ya, instead of being on the back by the firewall, i have one on the underneeth part by the throttle body...(the underside) is it the same...or am i totally missing a sensor?

today it started runing better, dosnt flxuate so much revs at a constant 1700rpm ...i mess with the screw that messes with the revs, dosnt help. the exaust is hooked up.

also, i started pulling out all the sensors on the intake, to see what happened...everyone gave me a response but one. it just stayed the same when i took it out. and of course i tried the one on my cold air intake...it didnt do anything....but i didnt expect it to. You guys hook me up man


later

 

first thing i would do it a process of elimination. check your exhaust,done. now go through you vac lines, make sure they are all hooked up right, then check your electrical, make sure all plugs are good, cap and rotor are fine, the wires arent screwed. after that i would go over fuel, make sure all the injectors are hooked up, easy way to check that is run the car and pull one plug off at a time, you will know if its working or not. you could also check your timing, make sure its not overly retarted or advanced. good luck with it