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efcivic4dr · 05-01-2008, 11:02 AM

I have a b18a1 in my 91 4dr. Its throwing code for injectors (16). Before it was for fuel system supply (43). When you turn the car on it sounds like a Subaru and it revs out at 3000rpm. When you give it gas it just BLOWS white smoke and sprays gas. Its like the gas is just straight blow by. Sometimes at the downpipe flange it will blow a gas/oil mixture from there. but its not loosing much oil its just burning it. So the car is running extremely rich. Like i said, i messed with the fuel system and that code is gone. I didnt have an extra set of b18 injectors but i used d16a6 which are the same ones. The only thing i havnt changed is the resistor box. Can that be the cause since that is part of the injectors?

any help will be great thanks

-Carl-

t3t4delsol · 05-01-2008, 11:48 AM

I'm not 100% sure but obd0 injectors are saturated, obd1&obd2 are peak and hold, what is obd is the motor? I dont think you need to have the resistor box wired in its sending the wrong ohmage to the injectors and is probably causing the injectors to say open all the time.

efcivic4dr · 05-01-2008, 12:44 PM

Its OBD0 everything has ran fine before, the swap wasnt just done. This problem just started occuring and im at a loss on what it could be.

-Carl-

t3t4delsol · 05-01-2008, 01:13 PM

sounds like your injectors are staying open the whole time, check the votage coming out of the resister box and see if its in manufactures specs.

efcivic4dr · 05-01-2008, 01:20 PM

How exactly do i check the voltage on the resistor box? I have a voltage meter... Also, have any idea what the specs are on the resistor box? thanks, i have a STRONG feeling it is the resistor box. Trouble shooting is the key to all problems i guess

-Carl-

t3t4delsol · 05-01-2008, 01:26 PM

im not really sure of the votage but I think its between 10-12 ohms, to test it unclip one injector clip and touch the leads on the clip

efcivic4dr · 05-02-2008, 11:43 AM

Sounds good, ill try it today. thanks

-carl-

LS_VTEC · 05-02-2008, 01:06 PM

Quote:

Originally Posted by t3t4delsol

im not really sure of the votage but I think its between 10-12 ohms, to test it unclip one injector clip and touch the leads on the clip

Ohm's are measurements of resistance, not voltage.

B16RacerN2NR · 05-02-2008, 01:12 PM

Quote:

Originally Posted by t3t4delsol

I'm not 100% sure but obd0 injectors are saturated, obd1&obd2 are peak and hold, what is obd is the motor? I dont think you need to have the resistor box wired in its sending the wrong ohmage to the injectors and is probably causing the injectors to say open all the time.

You got it backwards... OBD-0 Injectors are peak and hold, that's why they use the resistor box. obd-1 and obd-2 injectors are saturated.

Quote:

Originally Posted by efcivic4dr

Its OBD0 everything has ran fine before, the swap wasnt just done. This problem just started occuring and im at a loss on what it could be. -Carl-

Quote:

Originally Posted by efcivic4dr

I have a b18a1 in my 91 4dr. Its throwing code for injectors (16). Before it was for fuel system supply (43). When you turn the car on it sounds like a Subaru and it revs out at 3000rpm. When you give it gas it just BLOWS white smoke and sprays gas. Its like the gas is just straight blow by. Sometimes at the downpipe flange it will blow a gas/oil mixture from there. but its not loosing much oil its just burning it. So the car is running extremely rich. Like i said, i messed with the fuel system and that code is gone. I didnt have an extra set of b18 injectors but i used d16a6 which are the same ones. The only thing i havnt changed is the resistor box. Can that be the cause since that is part of the injectors?

any help will be great thanks

-Carl-

Something just isn't adding up... 43 isn't a valid obd-0 code. obd-0 codes stop at 23, if I remember correcty. Are you using a jumper harness with an obd-1 ecu? If so, that's your problem right there. Along with the obd-1 conversion you need to swap over to an obd-1 distributor and 4-wire o2 sensor.

LS_VTEC · 05-02-2008, 01:15 PM

If your reffering to "oem" injectors, than b16 is 100% correct. BUT, they do offer peak and hold for obd1/2 cars (aftermarket), but this is not neccessary unless your running much larger injectors, usually for big boost applications.

LS_VTEC · 05-02-2008, 01:16 PM

Quote:

Originally Posted by efcivic4dr

Its OBD0 everything has ran fine before, the swap wasnt just done. This problem just started occuring and im at a loss on what it could be.

-Carl-

There is some food for thought.

B16RacerN2NR · 05-02-2008, 01:17 PM

Quote:

Originally Posted by LS_VTEC

If your reffering to "oem" injectors, than b16 is 100% correct. BUT, they do offer peak and hold for obd1/2 cars (aftermarket), but this is not neccessary unless your running much larger injectors, usually for big boost applications.

Come on, don't act like a noob and get all technical with it lol... read the OP's first post, he's obviously not talking about after market injectors...

LS_VTEC · 05-02-2008, 01:19 PM

I'm a technical kinda guy, what can I say?

Now, he did say it was running fine prior, the problem just started happening.

B16RacerN2NR · 05-02-2008, 01:22 PM

Quote:

Originally Posted by LS_VTEC

I'm a technical kinda guy, what can I say?

Now, he did say it was running fine prior, the problem just started happening.

What he said didn't make any sense lol... 'it was running fine before but the swap just wasn't done'... I don't see how a car can run fine with an incomplete swap lol...

LS_VTEC · 05-02-2008, 01:26 PM

Carl, off the top of my head, I would take a good look at the intake manifold and the fuel lines after the filter, all the way to the fuel return on the opposite side of the firewall. Also check your fuel pressure regulator, and your throttle body/cable. Thats a start. As far as loud "subaru" noise, you probably have a leak down by the collector, and if your burning oil, it will definately come out of that leak. Most likely pistons rings are bad, which is causing the oil to burn through the exhaust.

LS_VTEC · 05-02-2008, 01:28 PM

Quote:

Originally Posted by B16RacerN2NR

What he said didn't make any sense lol... 'it was running fine before but the swap just wasn't done'... I don't see how a car can run fine with an incomplete swap lol...

I understand, but its clearly obvious that something wasnt done correctly during the swap, and now whatever it was has "given up", so to speak, and is causing problems. If he has a leak in the exhaust, depending on how close it is to the oxygen sensor, it can and will throw a code. Which code, I do not know. Im mostly obd1/2 kinda guy, not obd0 but its all fairly the same in a technical aspect.

B16RacerN2NR · 05-02-2008, 01:35 PM

Quote:

Originally Posted by LS_VTEC

I understand, but its clearly obvious that something wasnt done correctly during the swap, and now whatever it was has "given up", so to speak, and is causing problems. If he has a leak in the exhaust, depending on how close it is to the oxygen sensor, it can and will throw a code. Which code, I do not know. Im mostly obd1/2 kinda guy, not obd0 but its all fairly the same in a technical aspect.

I hear ya but the thing i'm stuck on is he said he was throwing a code 43 before... that's not a valid obd-0 code. OBD-0 codes stop at 20 for usdm ecu's and at 23 for jdm ecu's (which is obviously vtec pressure switch, solinoid, and knock sensor) I think he's leaving out a few details about this swap which would help allow us to help him even more.

LS_VTEC · 05-02-2008, 01:54 PM

I agree with you here. Maybe he mis-counted? With obd0, if I am mistaken please correct me, but you have to count the blinks of the cel? Or is there a light on the ecu?

LS_VTEC · 05-02-2008, 01:55 PM

Let me check alldata real quick and see if I can find anything...

LS_VTEC · 05-02-2008, 02:02 PM

The only thing I can relate to a code 43, is a code 4-1 to 4-8, which is in relation to the speed sensor. If this code does show, than it will put the ecm (ecu) into a fail safe function. Other than that, I need to see the car in person to diagnose it.

efcivic4dr · 05-03-2008, 06:22 PM

Okay, i may have confused a few people. Ill start over lol. Ive had this motor in my car for about 6 months. About 2 weeks ago i removed the head and intake. I changed every gasket from the head gasket up. EVERYTHING. I put everything back together and it ran fine. Hardest it has ever ran. About a week ago, the car started to act weird after it would warm up. It would go into "save-mode", sound like a subaru and throw code 43 (fuel system supply) i found this out by checking the light on the ecu. 4 solid red lights, 3 blinks...43 so i mess with everthin that deals with fuel system. Then 43 was gone and now it is 16 (injectors). So i changed the injectors and the resistor box. Same thing, 16 and subaru. Its blows white smoke like crazy. I did a compression test last night. cyl. 1= 180, cyl 2= 150, cyl 3= 180, cyl 4= 180. That right there shows something else is wrong. So i took the head off and the 2 exaust valves are ugly but dont look burnt. I have a feeling that when i remove the valves those 2 are going to be bad on the top of the valves. Like they were stuck open. the antifreeze dindt have oil in it and there was a good amount of oil in the pan. Keep in mind, i just redid a lot of stuff 2 weeks ago. I just took a spare head i had to a local machin shop to get it shaved and a nice p-n-p. Im pretty sure i found the problem with the valves. If im wrong, let me know. Im doin project bottem in that is almost done. good thing this isnt my dd or id be fucked. thanks for everyones help, get back to me.

-Carl-

05-01-2008, 11:02 AM	#1
efcivic4dr Member Join Date: Apr 2007 Location: cedar rapids, iowa Age: 20 Posts: 81 iTrader: 0 / 0% Ride: 91 civic 4dr SOHC Rep Power: 6	b18a1 fuel problem I have a b18a1 in my 91 4dr. Its throwing code for injectors (16). Before it was for fuel system supply (43). When you turn the car on it sounds like a Subaru and it revs out at 3000rpm. When you give it gas it just BLOWS white smoke and sprays gas. Its like the gas is just straight blow by. Sometimes at the downpipe flange it will blow a gas/oil mixture from there. but its not loosing much oil its just burning it. So the car is running extremely rich. Like i said, i messed with the fuel system and that code is gone. I didnt have an extra set of b18 injectors but i used d16a6 which are the same ones. The only thing i havnt changed is the resistor box. Can that be the cause since that is part of the injectors? any help will be great thanks -Carl- __________________ streetpsi.net

05-01-2008, 12:44 PM	#3
efcivic4dr Member Join Date: Apr 2007 Location: cedar rapids, iowa Age: 20 Posts: 81 iTrader: 0 / 0% Ride: 91 civic 4dr SOHC Rep Power: 6	Its OBD0 everything has ran fine before, the swap wasnt just done. This problem just started occuring and im at a loss on what it could be. -Carl- __________________ streetpsi.net

05-01-2008, 01:20 PM	#5
efcivic4dr Member Join Date: Apr 2007 Location: cedar rapids, iowa Age: 20 Posts: 81 iTrader: 0 / 0% Ride: 91 civic 4dr SOHC Rep Power: 6	How exactly do i check the voltage on the resistor box? I have a voltage meter... Also, have any idea what the specs are on the resistor box? thanks, i have a STRONG feeling it is the resistor box. Trouble shooting is the key to all problems i guess -Carl- __________________ streetpsi.net

05-02-2008, 11:43 AM	#7
efcivic4dr Member Join Date: Apr 2007 Location: cedar rapids, iowa Age: 20 Posts: 81 iTrader: 0 / 0% Ride: 91 civic 4dr SOHC Rep Power: 6	Sounds good, ill try it today. thanks -carl- __________________ streetpsi.net

05-02-2008, 01:15 PM	#10
LS_VTEC you get the BRAKE Join Date: Dec 2007 Location: NJ Posts: 2,617 iTrader: 0 / 0% Ride: 99 YZF-R6 Rep Power: 43	If your reffering to "oem" injectors, than b16 is 100% correct. BUT, they do offer peak and hold for obd1/2 cars (aftermarket), but this is not neccessary unless your running much larger injectors, usually for big boost applications. __________________ eg hatch (jdm b16) sold 1999 Yamaha YZF R6 (modded) http://hondaswap.com/engine-building...ow-pics-102486 sold


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05-01-2008, 11:48 AM	#2
t3t4delsol Senior Member Join Date: Mar 2008 Location: York, Pa Age: 26 Posts: 652 iTrader: 0 / 0% Ride: 97 del sol si turbo / dd is a 95 eclipse gsx Rep Power: 16	I'm not 100% sure but obd0 injectors are saturated, obd1&obd2 are peak and hold, what is obd is the motor? I dont think you need to have the resistor box wired in its sending the wrong ohmage to the injectors and is probably causing the injectors to say open all the time.

05-01-2008, 01:13 PM	#4
t3t4delsol Senior Member Join Date: Mar 2008 Location: York, Pa Age: 26 Posts: 652 iTrader: 0 / 0% Ride: 97 del sol si turbo / dd is a 95 eclipse gsx Rep Power: 16	sounds like your injectors are staying open the whole time, check the votage coming out of the resister box and see if its in manufactures specs.

05-01-2008, 01:26 PM	#6
t3t4delsol Senior Member Join Date: Mar 2008 Location: York, Pa Age: 26 Posts: 652 iTrader: 0 / 0% Ride: 97 del sol si turbo / dd is a 95 eclipse gsx Rep Power: 16	im not really sure of the votage but I think its between 10-12 ohms, to test it unclip one injector clip and touch the leads on the clip

05-02-2008, 01:19 PM	#13
LS_VTEC you get the BRAKE Join Date: Dec 2007 Location: NJ Posts: 2,617 iTrader: 0 / 0% Ride: 99 YZF-R6 Rep Power: 43	I'm a technical kinda guy, what can I say? Now, he did say it was running fine prior, the problem just started happening. __________________ eg hatch (jdm b16) sold 1999 Yamaha YZF R6 (modded) http://hondaswap.com/engine-building...ow-pics-102486 sold

05-02-2008, 01:26 PM	#15
LS_VTEC you get the BRAKE Join Date: Dec 2007 Location: NJ Posts: 2,617 iTrader: 0 / 0% Ride: 99 YZF-R6 Rep Power: 43	Carl, off the top of my head, I would take a good look at the intake manifold and the fuel lines after the filter, all the way to the fuel return on the opposite side of the firewall. Also check your fuel pressure regulator, and your throttle body/cable. Thats a start. As far as loud "subaru" noise, you probably have a leak down by the collector, and if your burning oil, it will definately come out of that leak. Most likely pistons rings are bad, which is causing the oil to burn through the exhaust. __________________ eg hatch (jdm b16) sold 1999 Yamaha YZF R6 (modded) http://hondaswap.com/engine-building...ow-pics-102486 sold

05-02-2008, 01:54 PM	#18
LS_VTEC you get the BRAKE Join Date: Dec 2007 Location: NJ Posts: 2,617 iTrader: 0 / 0% Ride: 99 YZF-R6 Rep Power: 43	I agree with you here. Maybe he mis-counted? With obd0, if I am mistaken please correct me, but you have to count the blinks of the cel? Or is there a light on the ecu? __________________ eg hatch (jdm b16) sold 1999 Yamaha YZF R6 (modded) http://hondaswap.com/engine-building...ow-pics-102486 sold

05-02-2008, 01:55 PM	#19
LS_VTEC you get the BRAKE Join Date: Dec 2007 Location: NJ Posts: 2,617 iTrader: 0 / 0% Ride: 99 YZF-R6 Rep Power: 43	Let me check alldata real quick and see if I can find anything... __________________ eg hatch (jdm b16) sold 1999 Yamaha YZF R6 (modded) http://hondaswap.com/engine-building...ow-pics-102486 sold

05-02-2008, 02:02 PM	#20
LS_VTEC you get the BRAKE Join Date: Dec 2007 Location: NJ Posts: 2,617 iTrader: 0 / 0% Ride: 99 YZF-R6 Rep Power: 43	The only thing I can relate to a code 43, is a code 4-1 to 4-8, which is in relation to the speed sensor. If this code does show, than it will put the ecm (ecu) into a fail safe function. Other than that, I need to see the car in person to diagnose it. __________________ eg hatch (jdm b16) sold 1999 Yamaha YZF R6 (modded) http://hondaswap.com/engine-building...ow-pics-102486 sold

05-03-2008, 06:22 PM	#21
efcivic4dr Member Join Date: Apr 2007 Location: cedar rapids, iowa Age: 20 Posts: 81 iTrader: 0 / 0% Ride: 91 civic 4dr SOHC Rep Power: 6	Okay, i may have confused a few people. Ill start over lol. Ive had this motor in my car for about 6 months. About 2 weeks ago i removed the head and intake. I changed every gasket from the head gasket up. EVERYTHING. I put everything back together and it ran fine. Hardest it has ever ran. About a week ago, the car started to act weird after it would warm up. It would go into "save-mode", sound like a subaru and throw code 43 (fuel system supply) i found this out by checking the light on the ecu. 4 solid red lights, 3 blinks...43 so i mess with everthin that deals with fuel system. Then 43 was gone and now it is 16 (injectors). So i changed the injectors and the resistor box. Same thing, 16 and subaru. Its blows white smoke like crazy. I did a compression test last night. cyl. 1= 180, cyl 2= 150, cyl 3= 180, cyl 4= 180. That right there shows something else is wrong. So i took the head off and the 2 exaust valves are ugly but dont look burnt. I have a feeling that when i remove the valves those 2 are going to be bad on the top of the valves. Like they were stuck open. the antifreeze dindt have oil in it and there was a good amount of oil in the pan. Keep in mind, i just redid a lot of stuff 2 weeks ago. I just took a spare head i had to a local machin shop to get it shaved and a nice p-n-p. Im pretty sure i found the problem with the valves. If im wrong, let me know. Im doin project bottem in that is almost done. good thing this isnt my dd or id be fucked. thanks for everyones help, get back to me. -Carl- __________________ streetpsi.net Last edited by efcivic4dr; 05-03-2008 at 06:29 PM.

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b18a1 fuel problem