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Engine starts reving??????

Posted:
Fri Jun 26, 2009 4:25 pm
by HatchbackCrusader
I have a 95 eg sedan. Just had a fresh d15 block swap. All of a sudden the engine light starts coming on and whenever I'm at low revs or idle, it starts doing short revs! (The block is good by the way). What could it be? Any suggestions????

Posted:
Fri Jun 26, 2009 9:10 pm
by Ajax1989
vacuum leak, iacv, tps
get a bottle of water or carb cleaner
and spray if around your intake manifold
and if there is a vacuum leak the motor will
make a diff sound..

Posted:
Fri Jun 26, 2009 9:55 pm
by teal_dx
check the code to see what the CEL is

I'd bet it is related to that.

Posted:
Fri Jun 26, 2009 11:42 pm
by HatchbackCrusader
After an hour of research, I finally managed to pull the code from the CEL
"14 - IAC Valve (Idle Air Control)"
Am I going to have to get a new one??

Posted:
Fri Jun 26, 2009 11:47 pm
by Ajax1989

i finally guessed somethin rite!
but to my knowlegde ya you gonna have to replace it
i dont think u can rebuild it, im not 100% sure tho
i got mine from napa for $230$
this was bout a yr ago

Posted:
Fri Jun 26, 2009 11:48 pm
by egsedanguy
fuck that. hit up a junk yard, put in pocket, bye bye


Posted:
Fri Jun 26, 2009 11:59 pm
by Ajax1989
or you can do that,but that is a game of luck, what if you get one with the same problem,
but b4 you replace it
there is 2 coolent hoses that go into and come out of you
IACV, the one closes to the throttle body is the inlet, unhook
the inlet, then start the car, if there is fluid comin out of the hose
then you need to replace the IACV,
but if there is no fluid then you have somethin blocking
the coolent to the IACV which causes it to do the short revs
and make sure its pluged in too..lol
that is the only way i know how to check it

Posted:
Sat Jun 27, 2009 12:14 am
by Method

Posted:
Sat Jun 27, 2009 12:25 am
by HatchbackCrusader
egsedanguy wrote:fuck that. hit up a junk yard, put in pocket, bye bye 
That's the only way to do it!!!


Posted:
Sat Jun 27, 2009 5:40 pm
by HatchbackCrusader
Took apart the IACV, cleaned it, put it back.....still doing the same thing.
Where exactly do I spray to check for a vacuum leak? Don't want to spray the wrong thing.

Posted:
Sat Jun 27, 2009 6:06 pm
by Ajax1989
just around the intake manifold where all the vaccum lines are

Posted:
Sun Jun 28, 2009 9:18 pm
by HatchbackCrusader
I checked for vacuum leaks and found none at all. After surfing around the net, I came across this...
http://www.vadriven.com/forums/showthread.php?t=220783
Know where I can find a wiring diagram? Or if anyone knows where each one goes by heart, that would be cool too.
(I swear if this was the prob all along, I'm going to break a window

)

Posted:
Tue Jun 30, 2009 1:24 am
by HatchbackCrusader
Today I decided to compare each sensor with a friends JDM coupe and wada-ya think I find?!?!?! The person who did my swap hooked up the damn sensors wrong!!!
![BangHead [smilie=BangHead.gif]](./images/smilies/BangHead.gif)
Who ever comes across this problem,
![director [smilie=director.gif]](./images/smilies/director.gif)
MAKE SURE YOUR SENSORS ARE HOOKED UP PROPERLY!! All in all, I got the swap done for free, so I'll let it slide. Big thank you to everyone on here who helped me out, I learned a lot.


Posted:
Tue Jun 30, 2009 7:58 am
by Ajax1989
damn sensors..lol

Posted:
Wed Jul 01, 2009 4:26 am
by 95civiceg
fuck that. hit up a junk yard, put in pocket, bye bye
lmfao fuck $$120-$$250