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the lude i bought last friday(not a nice one yet)...

 
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Old 08-15-2013, 02:36 AM
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the lude i bought last friday(not a nice one yet)...

hey guys im new here,

i just bought my second lude last friday and its proving to be quite the challenge to get running good.

since i bought i kept some notes on what ive done in point form and i thought i'd start my first thread in hopes it'll help make it like some of the ones ive seen here. the body needs some fixing(not much) and the engine although compression is good needs some attention too. i will edit soon with pictures.

im not begging for help but always open to suggestions. my first goal is to get the engine purring.

anyways heres what i got so far.

bought prelude $1600 august 9th.
'92 sr with 96 h22a1` engine swap.
was automatic now is manual.
engine swap that never worked right(gave up on)
bought for body have jdm engine in parts car at home(parts car is 93 prelude 4ws auto w/ a '94 jdm h22a swap runs well just body is beyond repair).

Attachment 13020 Attachment 13021Attachment 13023

parts car:
Attachment 13024Attachment 13022Attachment 13026


drove home... engine light ... heavy hesitiation on acceleration, thinking its in limp mode.

running real rich i dont know for how long they drove it like this, it was sitting for a couple months.
throws codes 3&5 21 and code for no 1 cylinder sensor.

compression check, 205 in all 4 dead even.
im gonna try to get this thing running nice.

replaced wires and plugs, found wrong length wire in no. 4 cylinder.
no more no. 1 cylinder postirion cel.
Attachment 13025

pigtail for vtec oil pressure switch wired into harness, look at ecu, d6, pin in backwards and not connecting, remove pin.
the vtec solonoid is also wired in with a pigtail plugged in spliced into harness, i don't know where it goes but its not a4.
unplug it. now i make a wire harness and run vtec oil pressure switch straight through the firewall to d6, i also do the same thing for the
solonoid to a4 and a ground.

no more vtec cels. good.


found vacuum diagram for FOURTH gen prelude, followed that. Unplugged firewall map on firewall
extended wires ran to throttlebody map sensor instead.
(btw i found 2 map sensors wired up and plugged in?!?, i unplugged the one the ecu was not responding too.)

fixed map sensor cels

no more cels

trying to follow diagram exactly, execption map sensor. because where the diagram shows to connect the map sensor
(on front of throttle body) isn't on my engine cause its out of a 97(im guessing made in 96) out of a fith gen(?)

.... runs better high idle(but 2500 rpm). no hesitiation on acceleration anymore. When engine gets to temp seems long time,
the idle drops and start bouncing up and down between 800 rpm and 2500 rpm.


now no more cels.
read 'final idle thread' more times than anyone should

took off fity and cleaned it, took off iacv cleaned. reinstalled both, still same problems.

check for vacuum leaks and replace some questionable hoses,(pretty sure they are routed correctly but not 100% postive.) all look pretty damn new(cause of the recent engine swap im guessing) im convinced the hoses are NOT leaking(but havn't checked the ones from underneatch the car, the one running down behind the intake manifold.)


check intake manifold gasket and tb gasket with carb cleaner for leaks... no noticeable differences. detected no leaks from that method.

take off throttle cable. find really sticky throttle plate that doesn't fully close.
take off throttle body, clean in up real good.

reinstall, bleed coolant, still same problems
start thinking that it may be tps. take off tps replace with known working, calibrate
start again, still fluctuates.

idle screw has been mucked with, all the way in is where i found it. i have adjusted it to see if helps idle issues but so far no luck.

going to swap thermstat(thinking it may be on its way out) with known working thermostat.
going to replce o2 sensor with known working. im guessing the one before the cat is used by the ecm for fuel mixture and the the one after just for emmsions.
going to check cam timing, though i think its fine because it sounds great at high rpm.
going to check valve lash though i dont think this is causing bouncing idle.
going to try plating off fitv
mabe try plating of/ disabling iacv according to mod i found on 92lude.com

need to mount external coil, its just laying in.there.

*note the fans inside the car wont change from windhield to feet to mid.... im guessing that symbolizes a vacuum leak or wrong vacuum routing... i dont know how this works, the diagrams ive found never included it. more research i'll have to do.


anyways thats my first four days on the car. another four it should be roaring like a demon.

if anyone knows other issues that cause these symptons please post.


i know next to nothing about what has previously been done to the car
it has been though a couple of people before me but mostly just sitting.

Last edited by oldrusty; 08-18-2013 at 01:43 AM.
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Old 08-15-2013, 08:00 AM
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Re: the lude i bought last friday(not a nice one yet)...

Drain the old fuel, get a new fuel filter, run heavy concentrate of fuel injector cleaner. That'll rid all the old fuel and any likely residue deposited in the fuel lines etc.

Bouncing idle/ non switching vent door could very well be related to the vacuum leak you mentioned.
I had bouncing idle from a disconnected hose but vents still changed...

Be sure to download a repair manual in the diy section.
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I remember my first thread, asking what a noise was when I got going 110mph.
Pretty much got flamed for driving like a jackass and was told to slow down. And I'll be damned, slowing down fixed it.

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Old 08-15-2013, 09:30 PM
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Re: the lude i bought last friday(not a nice one yet)...

Don't forget pics of the progress! We've all seen it before but it's still just as cool every time. I'm also in the middle of swapping a motor from one shell to another, though I haven't had as many little deviant problems as you have. Sounds like you're making it all right though, props!
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Old 08-16-2013, 01:29 AM
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Re: the lude i bought last friday(not a nice one yet)...

sounds like you been busy
keep going man. gunna be sick when done
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Old 08-16-2013, 02:20 AM
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Re: the lude i bought last friday(not a nice one yet)...

well today i started the car this morning with battery disconnected all night and same thing but idles at 3g cold and bounces at operating temp(still).
So i let it cool down a bit and pop the valve cover off and start checking clearances in cylinder 1.... 2 perfect intakes and one good ehaust, slight adjustment on the other exhaust, and when i go to turn crank 180 i see it. a crack for every gear in the timing belt.... so i didn't get done what i wanted today but i removed everything and got the belt off.
gonna put one on tommorow... im just glad i caught it in time.

the crank pulley bolt snapped two good 1/2 extensions, had to go get the biggest 3/4 breaker bar princess auto had to offer and it came off pretty easy, so easy i cracked the one in my parts car as well.... just in case. so now tommorow i can return em no questions asked and my my $100+ bucks back. the top right bolt on the lower timing cover was a nightmare to reach....

i had to lower the engine a bit to remove the crank pulley()after nut was off.. but i think thats normal.

another observation i made is the clearance between the t-belt and the wheelwell on my parts car seems to be over an inch bigger(more room for your hands and pulling the l. timing cover off).... found that kinda of interesting.. both on stock mounts one jdm one h22a1.

any ways ill put it all back together tommorow again and go from there.(kinda nice getting away from that bouncing idle problem:) )

im gonna have to figure how these pics work and ill start posting some
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Old 08-16-2013, 04:00 PM
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Re: the lude i bought last friday(not a nice one yet)...

Read the faq section on posting pix.

It's at the top of the page.
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Originally Posted by ogsmakdade View Post
welcome to site Carl
...is a golden car fax kinda like a golden ticket? Sure hope willy wonka didn't put any snozberries in your motor.
Quote:
Originally Posted by elspectro29 View Post
Only seen the first one, 15 years ago in theaters. Plan on keeping it that way. Get off my lawn.
Quote:
Originally Posted by Lindso View Post
I remember my first thread, asking what a noise was when I got going 110mph.
Pretty much got flamed for driving like a jackass and was told to slow down. And I'll be damned, slowing down fixed it.

God's Not Dead
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Old 08-16-2013, 09:05 PM
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Re: the lude i bought last friday(not a nice one yet)...

you screwed the white valve all the way down on the fast idle valve on the underside of your throttle body? It should be on the underside of your throttle body, of not, it should be on the right side of your intake. youll have to remove 2 phillip head screws to get to the white valve, and then youll have to take 2 small flat heads and turn the valve down. that's what solved my idle issues on my 5th gen.
and the air ducts not switching is more that likely disconnected linkages under the dash, look on the driveside, youll see what I mean. it happened to the 4th gen I gave my girlfriend for her first car.
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Old 08-23-2013, 10:37 AM
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Re: the lude i bought last friday(not a nice one yet)...

Sounds like u need to just let me have that h22 ill fix it lol thinking of swappin out my h23a1 obd2
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Old 06-30-2014, 11:02 PM
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Icon9 Re: the lude i bought last friday(not a nice one yet)...

so i know this thread is old with no updates and my pic links went dead already but i didn't do a whole lot to it for updates.


i finally got it running perfect....(my problem was solved with orings in iacv and fitv) i insured it last week, and had a great time! for a few days...

then last night i had an injector in the #4 cylinder stick open at nearly 7grand(doing a small pull).

Fuel started pouring out the muffler. white smoke behind me like call of duty.

didn't realize what it was at first, i crippled it home. i decided to let it idle in the garage for a bit to check it out, walk around to the back and see a puddle of green liquid, smells like gas, burns like gas, and white smoke.

So damn i guess ill have to learn how to change a head gasket.

I got a question though, my car still starts and runs, and the fuel is still pouring out, i've had wiring problems with this car since i bought it, it was a sr with a h22a1 swap that wasn't completed and also a five speed swap.

the engine head is dated feb 96, it has the cyp and knock sensor on oil pumpand resistor box for the injectors. the injecters i believe are stock and odb1 (from what i could google) the have a blue paint marking near the plugs.


i have a h22a jdm (93) sitting in a parts car in my driveway, they have different injectors with yellow dots. i have tried to find them with searches and found conflicting info, some say they are from h23 others say from a jdm h22a(which i think they are and would make them the originals for the motor).

can i put these injectors in my blown motor and start it to try to isolate the problem. If there was an electrical problem with the injector wiring causing the injector to stay open it would happen to these injectors as well. if the flooding stops then i can confirm that it was the injector and not the wiring, thats my plan anyways. but can this be harmful to my test injectors? i mean like burn them out or wreck them if the injector does stay open even i run just long enough to obeserve it for a minute?

ive read these jdm injectors are a little bigger so i dont want to wreck them(cause i want to use them when i rebuild).

i'd like to find the problem before i start ripping it apart so i can replace some of the engine harness while the head is off if need be.

any suggestions of alternative ways would be appreciated. thx
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Old 07-01-2014, 03:55 AM
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Re: the lude i bought last friday(not a nice one yet)...

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Originally Posted by oldrusty View Post
ive read these jdm injectors are a little bigger so i dont want to wreck them(cause i want to use them when i rebuild).
eh no, obd1 and 2 injectors are just difference
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Old 07-01-2014, 08:24 AM
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Re: the lude i bought last friday(not a nice one yet)...

Dawg gonnit rusty. What a jip!!!

I hope you get it solved soon.
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Originally Posted by ogsmakdade View Post
welcome to site Carl
...is a golden car fax kinda like a golden ticket? Sure hope willy wonka didn't put any snozberries in your motor.
Quote:
Originally Posted by elspectro29 View Post
Only seen the first one, 15 years ago in theaters. Plan on keeping it that way. Get off my lawn.
Quote:
Originally Posted by Lindso View Post
I remember my first thread, asking what a noise was when I got going 110mph.
Pretty much got flamed for driving like a jackass and was told to slow down. And I'll be damned, slowing down fixed it.

God's Not Dead
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Old 07-02-2014, 11:12 PM
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Re: the lude i bought last friday(not a nice one yet)...

Quote:
Originally Posted by TypeT View Post
eh no, obd1 and 2 injectors are just difference
ok so i pulled these yellow marked ones out of my h22a and blue marked ones out of my h22a1, the h22a was an auto btw. everything identical but the color of marks and the tips.

the blue one has the sealer ring still on it.

the tips to me show that they are different injectors.

im guessing they might be h23a injectors but i dont know.



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Old 07-02-2014, 11:44 PM
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Re: the lude i bought last friday(not a nice one yet)...

so i found my mystery problem, just suprised it didnt throw any cels.



so i pulled this out of my other lude that had a h23a to h22a swap.
hopefully i can just change my extern dist to internal and it'll wire right up.




any ways heres my messy bay

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