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This is a discussion on b18c swap wont start in the HYBRID -> EG-EK / DC forum
Hey, i'm still pretty new and i finally got my engine all installed an all my parts have come in. If you havn't seen my posts, i have a 94 civic hatckback vx, with a 97 Jdm intergra TypeR B-18C. It's an obd2a1 engine that ...
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|06-07-2007, 07:28 PM||#1|
b18c swap wont start
Hey, i'm still pretty new and i finally got my engine all installed an all my parts have come in.
If you havn't seen my posts, i have a 94 civic hatckback vx, with a 97 Jdm intergra TypeR B-18C. It's an obd2a1 engine that i rewired to obd1. I just got my chipped p28 ecu in the mail.
I tried to start it about ten minutes ago for the first time, but it won't start. Here's my situation:
The starter turns the engine over
I have spark at my wires (tested by removing one wire and seeing if it sparked to a ground)
I have fuel pressure, the gauge on my fuel rail reads at about 40psi when i'm trying to start it.
Checked all fuses
because i have spark i assume i rewired the dizzy right.
I'm looking for my brother's code reader and can't find it (i have a light being thrown), I have a feeling the problem is really simple andi'm over looking something really dumb.
thanks, i have my laptop in the garage and will be working on it for the evening, please give me some pointers!
Any checks that you can come up with at the top of your head would be great.
|06-07-2007, 07:54 PM||#3|
I havn't yet, but the car should atleast putter or like try to start or back fire if it was just the timing.....i would think, all thats happening is the car trys to start but it's jsut the starter turning it over...nothing else
|06-07-2007, 08:13 PM||#6|
can't find my brothers timing light either.... i do know that the timing was correct before we pulled the engine out of the old car, and i cleaned the injectors before i dropped the engine in....
|06-07-2007, 08:30 PM||#8|
My brother did most of the work on the engine while it was out, we had the head rebuilt (by a shop) and he reinstalled it. He went to school for this kind of stuff so i assume that he put the head back in correctly (like putting the cam shafts in the appropriate spots), we did replace the timing belt in the process. From my knowledge i would say that it all was done right.......but at the same time he's on my shit list because he was suppose to help me finish this project.
|06-07-2007, 10:24 PM||#13|
How would i go about "checking the ecu"?
it's plugged in, from the info i gathered off this site and some other research i'm pretty sure i wired the engine correctly...
|06-07-2007, 11:13 PM||#15|
hmmm well, i don't have another one laying around...i might be able to get one from a friend, i would like to assume though that the ecu is fine considering i just got it...
|06-07-2007, 11:48 PM||#17|
i hope not well im away from the car now, but im gonna try to find an ecu i can borrow.
other than that when i'm working on it next i suppose i'm gonna start double checking all of my wiring....
I'm a little worried that i wired the o2 sensor wrong, but i don't think that would keep the car from starting...
I'm also worried that the Ecu is looking for a evap purge solenoid, but the JDM engine doesn't have one....
well i'll start trouble shooting on saturday morning, anything else anyone can think of for me to try would be great!
|06-09-2007, 11:33 AM||#18|
i'm in the same boat as you now.... my lsv wont start, obd2b to obd1... i have two obd1 ecus neither will start the gd car...
if i turn it on ill let you know what was wrong..
keep us posted
|06-09-2007, 03:25 PM||#19|
Cool, i have a little update...
I did a compression test, all 4 cylinders were at about 178psi
I double checked that i had spark and the wires were in the correct order
I double checked that i rewired my dizzy, alternator, and fuel injectors correctly
Today i plan on pulling the injectors cleaning them and trying to figure out how to test them. I kinda think they aren't spraying. I have power to them (checked with a volt meter will cranking the car), but when i pulled the spark plugs to do the compression test they had no gas (thought they might from trying to start the car) on them nor did i smell any gas coming from the spark plug hole.....
so i'm thinking my injectors may be clogged or damaged (dude above mentioned that might be the problem but i thought i cleaned well enough before dropping the engine in). They havn't been used in 6+months and did sit out for awhile.....
I will try to put up some pics later
|06-11-2007, 11:52 AM||#20|
don't know if anyone is reading this but heres an update!
Status: still not running
I figured out how to check my CEL code by using a jumper (didn't think of it earlier don't know why)
Anyhow i'm throughing code 10 which is the IAT sensor (this makes sense b/c the jdm b18c doesn't use an IAT, makes me feel like the ECU is working).
I'm also throughing code 16, fuel injectors! I think the problem is in the wiring but i don't realy know where to start. I was thinking about making a quick sub harness to run the injectors (i'm pretty handy with a soldering gun), I know where the four ecu wires goto, but i don't know where the yellow black wires that run to each injector go, i can't tell from any wire diargrams either. I'm assumeing they are either switched 12v, constant 12v, or ground. Anyone know?
Also I am now certain that the engine side wire harness i bought for this project wasn't even close to what the guy said it was. Thought it was a obd1 94 GSR harness, then when i got home found it didn't have the Vtec wiring, so i made a sub harness, now i'm wondering what else is wrong with it....
With the drivers side fire wall plugs there is a plug with all yellow and black strip wires going to it.....it's not plugged into anything. Does anyone know what this is for and if it's normal to have? I ran an olhm test on it and found that some of the wires run back to the injectors.....is this suppose to plug into a grounded plug or something to complete those circuits? I have no where to plug it into........ or is it just for running engine disgnoses...
I need to get this beast running please help!
formby did you get your ride running?
|06-11-2007, 06:27 PM||#22|
I pulled the injectors out cleaned them real well, cleaned all the connections real well, got rid of code 16.
I wired in an IAT sensor i happened to have from and old swap got rid of code 10 just in case it matters.
I am not throughing a check engine light at all now. Car still won't start.
Anyone else have any ideas at all for me?
|06-11-2007, 07:26 PM||#23|
could be a grounding issue, make sure you double check all your ground wires are connectec esp the one near the thermostat housing. Also check the ground wires to make sure there isn't an open in the wire.
|06-11-2007, 10:35 PM||#24|
I had the same problem with practically the same swap. I checked everything sparkplugs, injectors... and all the basic things. I was also getting the code 16 so I looked up a wire diagram of the injector system. That black and yellow wire went to the alternator. Hope that gets it going for you. Btw how did you wire the motor and ecu?
I used the jdm ecu that came with the motor and then reworked and rewired the jdm harness also. I was painstaking to splice every single wire between the ecu to the harness, but I like a challenge.
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|06-11-2007, 11:08 PM||#25|
Fixed it! It starts!!
I didn't have switched 12 volts going to the injectors, that plug i was talking about needed a cap on it to power all of the wires......so dumb. But it works now!
In response to my setup, i'm running a chipped p28, and an older obd1 harness. I had to make my own vtec sub harness and a couple other changes to it like wire the obd2 dizzy plug on, the alt plug and a couple other plugs extended.
Its running really well now, i let the engine come all the way up to temp and it sounds purty.
when i had the head pulled to get it rebuilt i added in new valve guides, new springs, and new retainers....should i allow it to go through a break in period? i would assume so anyone have any exp with that?
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