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My 92 Honda Prelude Si Problems

 
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Old 08-20-2008, 05:31 PM
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My 92 Honda Prelude Si Problems

My prelude won't start.

There was a loss of power due to the Catilytic Converter (I took it to a mechanic).

I let it sit for two days and now it won't start. I cut off the cat since it has to come off anyway.. but that shouldn't effect it from starting.

Now here is the weird thing. If I put a little gas into the intake manifold through the throttle body the engine will start but only run for a few seconds.
In addition, I took off the fuel line going to the fuel injectors to see if fuel would squirt out. When it fired up fuel dumps out of the line so it can't be the fuel system.. also there is no engine light on at all.

At this point I am confused because I have done every check that is in my ability...

I'd appreciate some help. It is really annoying and I can't figure it out.

Thanks
SH
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Old 08-20-2008, 08:16 PM
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Re: My 92 Honda Prelude Si Problems

Fuel and spark.


Fuel: check!
Spark: ?....
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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 08-20-2008, 08:34 PM
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Re: My 92 Honda Prelude Si Problems

It has spark!

I checked the spark and it definately has one. :)
It has fuel! I poured out of the fuel line.

Maybe the fuel injectors? Im not sure.

Also I made another discovery. There is oil on two of the spark plugs when I take them out.

I need more help. :(

Thanks
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Old 08-21-2008, 03:46 PM
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Re: My 92 Honda Prelude Si Problems

I started thinking more and talking to other people and I think it may be low compression..

I've never owned a car that had low compression so I didn't know the symptoms.

I have a compression tester I can borrow from someone and know how to test the engine.. but could this really be the problem?
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Old 08-21-2008, 06:08 PM
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Re: My 92 Honda Prelude Si Problems

if you already have the compression tester, you might as well do it. it LITERALLY takes 10 minutes.
plus its a good test to do to determine the condition of your piston rings and valve seals and might make you reconsider selling the car, if its just a simple fix.
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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


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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 08-26-2008, 11:23 AM
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Re: My 92 Honda Prelude Si Problems

if theres oil on the plugs then the rings have to be bad to let oil go up in the head
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Old 08-26-2008, 12:35 PM
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Re: My 92 Honda Prelude Si Problems

well the oil can be coming from the VC o-seals, also have you checked to see if the sprak plug fires on all cylinders?
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Old 08-26-2008, 10:24 PM
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Re: My 92 Honda Prelude Si Problems

it may be your fuel injectors are bad
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Old 09-01-2008, 10:31 PM
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Re: My 92 Honda Prelude Si Problems

Ok. I made another discovery.
Whenever I pull out the spark plugs to check them... they are carboned up like crazy! They have a rediculous amount of carbon on them and down the hole where they are screwed into is all carboned up too.

I read some articles and I guess this can be from ignition or a bad ecu.

I was also thinking i may be the ecu has gone bad and it is sending no signal to the fuel injectors or causing them to flood the engine.

I'm still kindda lost.. any more ideas? or help?

P.S. I still haven't checked spark in all cylinders.. should I do that??

Thanks
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Old 09-01-2008, 11:34 PM
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Re: My 92 Honda Prelude Si Problems

Check spark on all of the plugs if you feel like it man. I didnt read the whole thing but are you getting fuel? Do you here the fuel pump turn on when you turn the key?
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Old 09-02-2008, 12:53 AM
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Re: My 92 Honda Prelude Si Problems

Yeah I checked the fuel by taking off the bolt on the line that comes straight from the fuel filter and when I unbolt it fuel squirts out... and I put some gas in the intake manifold when the line was off and fuel dumped out of it... so I am pretty sure it's not the pump or fuel line..

I guess I will check all of the sparks just to be sure.

I also will double check the fuel also to be sure.

I wanna get this thing running and back on the road.


Thanks :)
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Old 09-02-2008, 12:55 AM
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Re: My 92 Honda Prelude Si Problems

Oh and by the way... I forgot to mention this.

I checked the compression and there is low compression of about 92 lbs. in the 1st cylinder and the rest are around 120-130ish.
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Old 09-02-2008, 01:24 AM
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Re: My 92 Honda Prelude Si Problems

Check to see if your firing order on the dizzy is correct.. 1-3-4-2
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Old 09-02-2008, 06:15 PM
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Re: My 92 Honda Prelude Si Problems

Ok. I will be able to check all of this today. :) Thanks for the help and I will post back to give the results.

FYI!! Everyone
Anyone who wants to buy this prelude as is I will sell it for $1000 firm. Or if you have $900 CASH in hand.

Thanks
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Old 09-02-2008, 06:29 PM
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Re: My 92 Honda Prelude Si Problems

low compression in a cylinder would def be a culprit of poor performance. sounds like its time for a rebuild (if you don't just sell it as-is)
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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 09-03-2008, 01:05 AM
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Re: My 92 Honda Prelude Si Problems

Yeah I think it is time to get rid of it..
Owning this prelude definately made me love preludes :)
I am debating if I wanna get another one or some other import.

I might have to get another prelude! lol :)


I will post results when I find out about the problems.. I wasn't able to work on it today.

Thanks
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Old 09-04-2008, 11:31 PM
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Re: My 92 Honda Prelude Si Problems

Ok..

So.. I checked the spark in all of the cylinders and they are all good.

I re-checked the fuel and I am getting fuel all the way across the fuel rail.

I checked the Ignition Coil and that is good.

My wires all read in the normal range of ohms.

I bought new spark plugs today (but had to order them) so I won't have them until tomorrow. (I bought the NGK platinums)

It seems like this is all pointing to the ecu.
(It kindds makes sense that it would be the ecu because when I drove my prelude home right before this.. it was going like 10mph top speed.. I thought that was the catilytic converter but I'm starting to think it could have been the ecu because in the Chiltons book it says that the ecu has like a back up that makes it possible to drive it just to make it home).

I'm not sure though...

Is there a way to test the ecu???

P.S. I will get the plugs tomorrow and try to start my car with the new plugs.

Thanks
SH
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Old 09-05-2008, 12:23 AM
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Re: My 92 Honda Prelude Si Problems

OooooO
so.. we figured out how to adjust the distributor..
we didn't get to mess with it much.. but the car almost started to fire up.
My dad said we should check the timing belt first.
we will check that and i will post results...

but i'm still not %100 about this.
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Old 09-05-2008, 12:30 AM
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Re: My 92 Honda Prelude Si Problems

ICAV valve, check out the maunel pdf in my sig, around page 150 i think or 250 there is trouble shoting on starting, Really hep full
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Old 09-05-2008, 09:54 PM
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Re: My 92 Honda Prelude Si Problems

Ok. I checked the timing belt and looked at it really good and felt it and there are no cracks and it looks really clean and new over the entire belt.

So I am now going to look at the ignitor and check that out.

Also I will check the IACV
I can't download that prelude manual.. does anyone have pics of the valve??

Thanks
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Old 09-06-2008, 01:17 AM
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Re: My 92 Honda Prelude Si Problems

Testing the ignitor gets really confusing... Some crap about checking continuity between this wire in the distributor (I found that) and the ecu..

Can some one post some pics of where the ecu is located (I actually am not 100% sure where it's at. lol).

And some pics of the IACV.
Would the IACV cause my prelude not to start??

Sorry my posts are redundant. :)

Thanks
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Old 09-19-2008, 03:50 AM
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Re: My 92 Honda Prelude Si Problems

Ok the weirdest thing happened.
I was fed up with trying to fix my prelude... I got it towed to the nearest mechanic to get it diagnosed.

I called the mechanic the next day and he asked "What's the problem?" other than the obvious missing cat..

I said it doesn't start.

He said it started right up!

I said WHAT!?

I went to go and try it for myself because I almost didn't believe him... like for some reason he was pulling my leg.

I tried to start it and it started right up like it had been running the entire month it was sitting in my driveway with me trying to get it to run!

I was happy but so pissed off! that I almost didn't care!

Amyway it runs fine now and I'm getting rid of it because I think it doesn't like me.. lol.

Asking $1500 OBO. Contact me if interested. It has some problems :(

Thanks
SHroadrunner
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