Question about 1991 Honda Civic

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Valve adjust what is the valve adjustment for civic d15z vtec engine.. changed my stock filter to a racing filter,, now i'm hearing a snorring sound on my intake on idle and low rpm, when engine is hot. does it has something to do with engine valves?,, and there's a whirr sound at 1500rpm my friend told me it was timing belt... i have dayco belt which came with the car, i did check it already and it was new.. the car's is with me for 6mos. thank you

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  • yadayada
    yadayada May 11, 2010

    Is the timing belt to tight, that will cause the kind of noise you are describing.

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Well that noise you hear is normal. on your stock intake it muffles the sound and on your after market one it dont the sound you are hearing is from the (IAC) idle air control. if you look an your throttle boddy you will see a big set screw should be next to the line that runs next to your e-vap if you tighten that screw the sound will quit down if you loosen it will get louder but if you change that screw it will change your idle

Posted on Nov 15, 2008

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Tappet gap on 1.6 2003 vtec civic


The firing order is 1-3-4-2. The gap is listed on the emission information sticker under the hood. This sticker will have lots of info which includes valve lash. It will be listed in millimeters, example: 0.22 +/- .02mm. Some feeler gauges list both standard and mm measurements, otherwise a conversion can be found without much trouble. This procedure should be done while the engine is cold to get the best results.

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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

Oil leak by the timming cover gasket


we need engine displace ment or exact honda type. ID
to answer fully.,
my guess, is the engine leaks oil and you have tried fix it
odd, you did the hard ones first. why not the valve cover
did you know there are 2 ways to find leaks.
1: clean it , all off, then run it and look. see live leak.
best is to do that with out driving as the wind blows it about.
find it , now you know what leaking.
2: use the UV dye kit.
quote wiki, but WHAT ENGINE ?????????????????
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).

first tell engine, ! DOHC is quite different.

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1 Answer

What is a v v t selinode


(As in the Honda VTEC engines.) VTEC = (Variable Valve Timing and Lift Electronic Control)
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1 Answer

What are the intake and exhaust valve tappet clearance specs. of a honda civic 1999 1.6 liter vtec sohc engine?


Valve clearance Inches Millimeters
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2 Answers

What other engine will fit a 97 civic ex?


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2 Answers

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I have a 2000 honda accord ex... My engine light is on and throwing the p1259 code. It is not a Vtec engine... help. I just got the oil changed and the light is still on. However they put 10w30 in.. should...


The P1259 : is problem in the VTEC Oil Pressure Switch circuit or VTEC Solenoid Valve circuit.
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1 Answer

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