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Old 10-02-2009, 09:26 PM
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Idling Problem

my prelude is currently having idling problems, I read the thread about idling issue but think my is different. During a cold start, the car has no problem with idling. when it get warmed up the car idle drops to the point where the engine stuttered and shakes. I was told that changing the spark plugs might help, since it was an inexpensive part i went for it. When I went to change the spark plug, i remove the wire that connect to the top of the plug and notice there was oil on it. So now I'm thinking the oil on the wire might be a bigger problem.
Any help or suggestion would be great.

10/12/09 Update:
I changed out the oring and the value cover gasket today so that should solve the oil problem that i was having, but now my engine is still having idling problem and check engline light turned on. I pulled the code and it P0301 and P1399. I checked P0301 is cylinder 1 misfire. I just changed the spark plug today as well, what could be the problem?

Last edited by baydriver; 10-12-2009 at 03:41 PM.
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Old 10-03-2009, 11:37 AM
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Re: Idling Problem

spark plug o-rings
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Originally Posted by Brash View Post
But you need that scoop on the hood. Is it true that they're big enough to fit your lunch box and all your camera gear in it?
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Old 10-03-2009, 02:49 PM
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Re: Idling Problem

X2 ^ also, you can adjust your cold air idle and normal temp idle. see PDF in 4th gen resources for how to.
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Old 10-03-2009, 08:43 PM
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Re: Idling Problem

For the spark plug o-ring, do i just go to any autostore and get some o-ring? For the idle, I was told not to touch it if I never touched it before?
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Old 10-03-2009, 09:08 PM
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Re: Idling Problem

WHATS UP . The plugs might help but also check your wires if they have low resistant then they may need to be changed. The reason i say b/c temp and heat will change the resistant .How much miles ? you might need a complete tune up .Ps don't by generic parts they suck really buy them from honda oem it's worth the money.
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Old 10-04-2009, 01:40 AM
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Re: Idling Problem

Idle can go out of adjustment by itself over time, like most anything. The directions are pretty clear and easy to follow on adjustment.
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Old 10-04-2009, 09:18 PM
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Re: Idling Problem

what causing oil in the wire/plug
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Old 10-04-2009, 09:41 PM
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Re: Idling Problem

Quote:
Originally Posted by baydriver View Post
what causing oil in the wire/plug
Quote:
Originally Posted by twokexlv6coupe View Post
spark plug o-rings


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1995 Honda Prelude SE Turbo; 250whp, 275wtq @ 10psi Soldddd!!!

2000 Acura TL; DD
2005 Stage2.5+ Subaru WRB STi : RzKar!
Ivey Tuned - Advan - Cobb - Rallispec - CP - Perrin - ACT - KillerB - Carillo - TurboXS - Defi - Innovate - Walbro - DeatschWerks - Feal - H&R - Alpine - Infiniti - Curt

2001 Kawasaki STX1100 D.I. - Sold!
2007 Sea-Doo RXT 215; ET 127 +3 S/C impeller, DIY 3" intake, DIY resonator delete/free flow exhaust, DIY oil catch can, Rule 500gph bilge pump


Quote:
Originally Posted by Brash View Post
But you need that scoop on the hood. Is it true that they're big enough to fit your lunch box and all your camera gear in it?
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Old 10-05-2009, 03:04 AM
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Re: Idling Problem

Anyone know is it difficult to replace the o-ring? Is it something that is relatively easy to do and what else should I replace while replacing the o-ring
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Old 10-05-2009, 12:14 PM
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Re: Idling Problem

you just need to take off the valve cover, its that easy. you should also replace the VC gasket, and the rubber grommets that hold the VC down.

such as this kit:
http://cgi.ebay.com/ebaymotors/93-01...Q5fAccessories
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1995 Honda Prelude SE Turbo; 250whp, 275wtq @ 10psi Soldddd!!!

2000 Acura TL; DD
2005 Stage2.5+ Subaru WRB STi : RzKar!
Ivey Tuned - Advan - Cobb - Rallispec - CP - Perrin - ACT - KillerB - Carillo - TurboXS - Defi - Innovate - Walbro - DeatschWerks - Feal - H&R - Alpine - Infiniti - Curt

2001 Kawasaki STX1100 D.I. - Sold!
2007 Sea-Doo RXT 215; ET 127 +3 S/C impeller, DIY 3" intake, DIY resonator delete/free flow exhaust, DIY oil catch can, Rule 500gph bilge pump


Quote:
Originally Posted by Brash View Post
But you need that scoop on the hood. Is it true that they're big enough to fit your lunch box and all your camera gear in it?
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Old 10-05-2009, 03:04 PM
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Re: Idling Problem

Quote:
Originally Posted by twokexlv6coupe View Post
you just need to take off the valve cover, its that easy. you should also replace the VC gasket, and the rubber grommets that hold the VC down.

such as this kit:
http://cgi.ebay.com/ebaymotors/93-01...Q5fAccessories
Don't forget to hit up the corners of the new valve cover gasket (like where it comes to corners around the camshafts) with either hondabond or high-temp silicone sealant... If you don't, there's a good chance you will leak oil around that area near your dizzy.
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Old 10-05-2009, 03:47 PM
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Re: Idling Problem

I have done this fix before. I can let you know you need four. You can get them at honda for about $3/each maybe less. All you have to do is take off the valve cover. But, be careful and make sure not to rip the VC gasket(goes around the inside of the valve cover in a little groove). If you break the gasket as well, that will cost about $27(+/-) from honda.
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Old 10-12-2009, 03:42 PM
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Re: Idling Problem

updated with new symptoms
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Old 10-12-2009, 04:51 PM
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Re: Idling Problem

Personally Id put it on a 5 gas analyzer which would tell me much more then ASSuming its a part that maybe fine-Replacing parts=useless.
But if you did the seals dont forget use Gasket sealant for the valvecover gasket I like using Hightemp silicone Red stuff-wear gloves to spread a thin layer along the gasket, so oil doesnt pass through and piss you off :D
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Old 10-12-2009, 10:29 PM
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Re: Idling Problem

Quote:
Originally Posted by Nikoms View Post
Personally Id put it on a 5 gas analyzer which would tell me much more then ASSuming its a part that maybe fine-Replacing parts=useless.
But if you did the seals dont forget use Gasket sealant for the valvecover gasket I like using Hightemp silicone Red stuff-wear gloves to spread a thin layer along the gasket, so oil doesnt pass through and piss you off :D
I did put gasket sealant around the value cover especially at corner/edge
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