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JDM H22a problems

 
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Old 11-17-2016, 01:41 AM
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JDM H22a problems

hello everyone, first off I just swapped a jdm h22a (obd 1) into my 01 prelude, and I am using the obd2 engine harness in the car, a swapped the dizzy cap n rotor, tranny, intake manny, oil pump, re-timed the car etc, everything so that the obd2 harness would work with the obd1 motor but I ran into a problem...

so the car turns over but doesn't start so I checked out a few things and I noticed I'm not getting spark, but I'm getting power to the ignition coil.. and I'm not getting fuel to my injectors but there is fuel getting to my fuel rail, and fuel pump is priming so I am kinda confused on what to do.. what shud I look for when dealing with these type of problems? or does anybody know how to fix this? its getting cold out now and I need the car finished before winter kicks in.. anybody with any type of info would be greatly appreciated
by the way this is my first swap and first lude so this is all new to me
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Old 11-17-2016, 10:07 AM
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Re: JDM H22a problems

Sounds like you tried to upgrade the engine to be OBDII. Did you install the two sensors in the new oil pump housing? You also need to use the gear behind the crank pulley from the obdII engine to get the signals to the two sensors. other than that it sounds like you should be good.
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Old 11-17-2016, 11:45 AM
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Re: JDM H22a problems

honestly I changed the oil pump so it has the sensors and the pulleys n everything.... I believe its something smaller then I'm making it out to be but idk where to look first
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Old 11-17-2016, 11:55 AM
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Re: JDM H22a problems

this is what ive swapped on the motor so its compatible,
dizzy
cap n rotor
ignition coil
oil pump housing
intake manny
alternator
power steering pump
its been retimed
p13 ecu (stock ecu doesn't throw any codes if I try to use that one either )
conversion harness for p13 ecu
sensors for oil pump housing
things ive done to the car for my own satisfaction-
I'm running smaller pulleys
ac delete
cruise control delete
both lower ball joints
new axles
new tie rods

that's everything that ive done to this car in the past few months, the h22a motor has been fully rebuild internally aswell compression is mint in every cylinder
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Old 11-17-2016, 08:06 PM
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Re: JDM H22a problems

Sounds like you did everything you need to get it running. First double check your timing that you got that right. Check all connectors are securely plugged in. I hope others will chime in to help diagnose the problem. It sounds like you are not getting a signal to trigger the injectors and the coil
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Old 11-18-2016, 01:31 AM
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Re: JDM H22a problems

crank sensor?
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Old 11-18-2016, 06:06 PM
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Re: JDM H22a problems

Make sure all those big engine wire harness connectors by the right strut tower are completely snapped together all the way and are tight. I know someone else who had a similar issue after this swap and those connectors not being snapped together all the way ended up being the culprit. Might be a long shot...but worth a check.
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Old 11-20-2016, 10:59 AM
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Re: JDM H22a problems

CT,

LOL I guess you are joking me. That was our problem and worth checking. I remember once forgetting to plug the CPS sensor plug back in after doing a timing belt change and the car started fine but got a check engine light so I don't think that would keep it from starting. Try checking out a set of NOID lights. Most auto parts stores will rent them to you. You can at least rule out the injectors. You need to make sure if you are getting spark.
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Old 11-20-2016, 11:07 AM
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Re: JDM H22a problems

James, If you have a timing light(which not many people still have) you can check your timing while cranking. If the light doesn't flash then you are right about not getting spark. It will take a more involved troubleshooting to figure that out. We also used the original ECU with no problems.
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Old 11-20-2016, 10:27 PM
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Re: JDM H22a problems

wow thanks a lot everyone for the feed back and support to help diagnose this issue first of all! I do not having a timing light but I'm sure I cud find one, I didn't exactly check my timing cuz its hard to unless u dont have a light but even if my timing was off wudnt my car still atleast start and just run like crap?

and ive checked all my plugs n there all in good n tight

crank censor is in and I know it works cuz its from my old car,

ive come to conclusion that it is more then likely a ground wire or something but its been snowing all da today so I haven't been able to take the time to double up on the grounds and if there in the correct places,
someone told me that this cud be happening if the ground to the thermostat isn't secured properly or in the right place for that matter is this true?
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Old 11-20-2016, 10:28 PM
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Re: JDM H22a problems

what is a NOID light? never used one before
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Old 11-20-2016, 10:42 PM
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Re: JDM H22a problems

I am going to re go over all the connectors again just to make sure I'm not fooling myself, thank u everyone who has answered this,

tomorrow I will update the situation!
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Old 11-21-2016, 08:05 PM
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Re: JDM H22a problems

James,

A "NOID" light is short for solenoid light. They are used to check that your fuel injectors are getting a pulse to deliver fuel to the cylinders. They are cheap to buy but most auto part stores will rent them to you. They come in a box of about six lights. You disconnect the plug from the injectors one at a time and plug in the noid light that fits that plug. You crank the engine and if you are getting an injector pulse the light will flash. I found our car would not start because only two of the four injectors was getting a signal. Found a connector on the passengers shock tower not snapped together all the way. I don't know if you can misconnect those plugs but double check that they are properly connected.
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Old 11-22-2016, 05:30 PM
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Re: JDM H22a problems

yeah I just got home work from gunna go see if I can buy one quickly, is there a manual I don't have to buy that shows this motors ground spots and connectors? just so I know everything is in the right place, I know google is a hell of a thing but usually they make u pay for that kinda info
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Old 11-22-2016, 08:58 PM
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Re: JDM H22a problems

service manual is online free
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Old 11-23-2016, 03:30 PM
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Re: JDM H22a problems

*FREE* 97-01 Honda Prelude Helms Manual - Honda Prelude Forum : Honda Prelude Forums

Here's a link to the Helms manual.
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Old 11-23-2016, 09:42 PM
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Re: JDM H22a problems

Are you using the obd2 injectors?

Did you swap over the obd2 crank gear and balance shaft gear when you swapped oil pumps and installed the crank position sensor?

There should be one ground around the thermostat housing, one on the timing side of the motor and another beneath the intake manifold (if memory serves me right)


Do you hear the fuel pump prime when you turn the key but not start the car?
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Old 11-27-2016, 02:17 PM
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Re: JDM H22a problems

James have you had any luck? Always like to hear what the solution was.
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Old 11-28-2016, 03:08 PM
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Re: JDM H22a problems

Crazy as it sounds.... could the dizzy rotor be off 180?

Can't tell ya how many times my car(s) wouldn't start after an o-ring R&R. Simply remove the dizzy, rotate the rotor 180 and VROOOOOM!
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Old 12-01-2016, 06:19 PM
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Re: JDM H22a problems

Quote:
Originally Posted by wing8806 View Post
Are you using the obd2 injectors?

Did you swap over the obd2 crank gear and balance shaft gear when you swapped oil pumps and installed the crank position sensor?

There should be one ground around the thermostat housing, one on the timing side of the motor and another beneath the intake manifold (if memory serves me right)


Do you hear the fuel pump prime when you turn the key but not start the car?
That gear is easy to overlook, but vital. It has wings (?-or whatever they are) that trip the sensors in the oil pump. I ALMOST overlooked changing mine over.

Good luck. Real sweet engine when you get it going.
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Old 12-08-2016, 02:25 PM
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Re: JDM H22a problems

sorry about the late responses guys, ive been working a lot and haven't had a good day to work on this car lately, okay so ive switched those sensors on the oil pump because when I did it the first ime I put it all back together n then realized I needed those 2 sensors, so yes those are good, and for the dizzy thing being switched 180 degree? ive never ever thought of that haha so il go try today cuz today is my day off!! doesn't it only go on one way though?
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Old 12-08-2016, 02:31 PM
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Re: JDM H22a problems

thank you very much for that helms download it will come in handy forsure! and scout1 sorry for late responses but its still in the same boat... my ecu ground bolt looks a little rusty so I'm going to clean that up and see if it makes a difference too, any other grounds that could cause my injectors not to pulse and not spark?
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Old 12-08-2016, 02:37 PM
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Re: JDM H22a problems

do you have pictures of those 3 main ground spots? cuz I just went outside and noticed I have 2 (what looks to be) ground wires attached to my valve cover... would one of those be an issue? I don't even know where this second wire came from,
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Old 12-08-2016, 02:38 PM
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Re: JDM H22a problems

fuel pump primes when I turn the key and yes obd 2 injectors
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Old 12-08-2016, 05:22 PM
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Re: JDM H22a problems


G101 is the one on the thermostat.




Make sure this one near the battery is clean


This one too.


The other end of that one near the shock tower


The one on the Tranny.


And this is what I meant by dizzy off by 180


This can go in two ways.....
Correctly or 180 off.
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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

Last edited by bykfixer; 12-08-2016 at 05:37 PM.
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Old 12-08-2016, 09:06 PM
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Re: JDM H22a problems

The USDM distributor keyway is slightly offset and you can't put it into the cam end the wrong way, unless your cam was in the wrong was as well I guess (I was worried about doing this backwards when doing the swap). So the JDM distributor apparently doesn't have the same offset to it?
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Old 12-15-2016, 03:20 PM
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Re: JDM H22a problems

thank you SOmuch for the pics this willhelp a lot, I cleaned my grounds up and still nothing but I still have to see if my battery ground is good and my thermostat one isgood,and I'm going to try to switch the dizzy part aound 180 right now n illlet you know in a few what happens
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Old 01-05-2018, 09:58 PM
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Re: JDM H22a problems

Anyone know how this was fixed?
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Old 01-16-2018, 02:54 AM
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Re: JDM H22a problems

I would like to know if it was ever resolved also
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