Question about 1991 Honda Civic

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1991 honda civic hb si please help!!

I bout a 1991 honda civic hb si and put a z6 vtech head on it i cant get my breather alignments right it idles for a little then just starts to climb i dont even push on the gas, my rpm gage stoped working too.
plz help or send me to some one who can fix it!!


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Sounds like it may be a vacuum line problem...double check all the hoses and make sure none are off or broken/missing. Check over the IAC (Idle Air Control) valve too and inspect & clean it out with carb clean or something, could be that the valve's sticking

Posted on Nov 03, 2008

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Why a 1997 honda civic engine surges at idle


which engine, options there are many.???
cant fix any engine, until you know what it there.
a civic not Tacoma. as posted.
see end for engines ????

surge 101 (running gasoline?)
it caused by 2 things. (and lots of reasons)
1: engine running lean. all engines lean surge. fix that first.
hint use a scan tool see live data........?????
2: ISC system is faulting, the idle speed controller can fail for #1
or for itself. (it can stick) clean in.


wiki list of engines. (which one???????????????)_
The sixth generation featured engine options were available along with their first Natural Gas Powered Civic, the GX. From 1996-2000 the Civic was sold under the CX, DX, EX, EXR, HX, LX, and for Canada, SE, and Si trims; all base models were made with 1.6L engines. The EX-CX are all SOHC (Honda D engine). The CX, DX, and LX all have D16y7 non-VTEC engines; whereas the EX has a D16y8 VTEC, and the HX has D16y5 VTEC-E. The USDM Si and Canadian SiR came with a DOHC (B16A2 VTEC). The first civic SI coupe EM1 was introduced in 1999 until 2000. Europe saw a DOHC 1.6 VTI hatch and sedan and a DOHC 1.8VTI engine was available for the Domani related five-door liftback and esta
end quote.
I CAN NOT GUESS>!!!

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1 Answer

Low idle


Remove all the injectors & put on new "O"Rings

No-- they shouldn't leak no matter what you do

Put some oil on the new ones

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1 Answer

1991 civic hatch si at a stop light and car just died


Not very specific........at all. But check the Idle Air Control

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What type of oil should i put in my 1991 honda civic si hatchback?


In the hot weather I would use 5/30, but since its going to be winter soon, use 10/30

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It might be bad gas or a plugged filter or it might be a bad mass airflow sensor.

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Air assist valve on 2007 civic si


http://www.8thcivic.com/forums/mechanical-problems-technical-chat/

Hope this helps

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