Go Back   Honda-Tech > Honda and Acura Model-Specific Technical Forums > Honda Civic/Del Sol (1992 - 2000)
Sign in using an external account
Register Forgot Password?
Search


Welcome to Honda-Tech!
Welcome to Honda-Tech.com.

You are currently viewing our forums as a guest, which gives you limited access to view most discussions and access our other features. By joining our community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join the Honda-Tech community today!


Closed Thread
 
 
 
submit to reddit
 
Thread Tools Search this Thread
Old 05-03-2011, 11:10 AM   #1
la_teta
Honda-Tech Member
Garage is empty, add now
 
Join Date: Jun 2009
Location: Tampa, FL
Posts: 15
iTrader Rating: (0)
Default only 2 cylinders firing! HELP!

So Ive been working on this for a while now and still cant figure it out. gone through all the troubleshooting steps, so I must be overlooking something....

So i swapped my 95 civic dx with a B18B1 from a 96 integra SE. wire tucked, but I labeled all wires beforehand and DID NOT cut a single wire, only rerouted them. after connecting everything i started up the car and noticed the idle was TERRIBLE. first i checked for spark at each cylinder. as i removed spark plug cables from cylinders 1 and 4, i noticed no difference. but when i removed wires from 2 and 3 the motor died and turned off. so I got brand new spark plugs, wires, cap and rotor and checked if maybe i had the wires on wrong...everything checked out good but when i started it, same thing.

then my friend came over and i used his distributor cuz i thought maybe the ignitor might be bad...but this time the opposite happened! cylinder 1 and 4 fired, but not 2 and 3! im stumped
i also noticed i have a check engine light on. so i checked forr codes and when i opened the switch the cel goes off and stays off until i remove the jumper from diagnostic connector

any help and ideas are greatly appreciated thanx!!
la_teta is offline  
Old 05-03-2011, 11:47 AM   #2
EJ8_Man
Honda-Tech Member
1999 Honda Civic
 
EJ8_Man's Avatar
 
Join Date: Mar 2009
Location: Northern California
Posts: 1,011
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

I'm assuming you're using the OBD2A P75 computer? Pretty weird your MIL light goes off when you jump the connector. Are you using the following technique?
http://honda-tech.com/showthread.php?t=1901557

The other option is to plug in an OBD2 reader. I'm not sure how that would work though, did you install the OBD2 diagnostics port off of the Integra?
EJ8_Man is offline  
Old 05-03-2011, 12:18 PM   #3
la_teta
Honda-Tech Member
Garage is empty, add now
 
Join Date: Jun 2009
Location: Tampa, FL
Posts: 15
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

i guess i should have stated that im using a OBD1 P75 ECU. I am using the technique stated in your link. when i looked at the vin number on the bottom of the block it says its a 95 block. but the car it what pulled from is a 96 and everything is OBD2a: dizzy, injectors, alternator....it also does not match vin on tranny, which says 96 same as chassis
la_teta is offline  
Old 05-03-2011, 12:26 PM   #4
EJ8_Man
Honda-Tech Member
1999 Honda Civic
 
EJ8_Man's Avatar
 
Join Date: Mar 2009
Location: Northern California
Posts: 1,011
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

So your harness is OBD2A, but you have a converter for your OBD1 P75 ECU? If so, it is possible your conversion harness is faulty. You need to access those CEL codes... If the ECU is throwing codes for the dizzy you'll need to Google up an OBD2A and OBD1 ECU Pin out diagram and verify with a volt meter that you have continuity between the expected ignition wires. It's a major P.I.T.A. but it sounds like a potential wiring issue.
EJ8_Man is offline  
Old 05-03-2011, 12:30 PM   #5
apexi_rsx
Honda-Tech Member
Garage is empty, add now
 
Join Date: Jun 2008
Location: bum-fuk egypt
Posts: 2,702
iTrader Rating: (0)
Send a message via AIM to apexi_rsx
Default Re: only 2 cylinders firing! HELP!

could be a fried ecu ...try another ecu if u know a friend with one.
__________________
06 Rsx Type S I/H/E ...14.0@101
97 civic 4dr turbo
apexi_rsx is offline  
Old 05-03-2011, 12:38 PM   #6
la_teta
Honda-Tech Member
Garage is empty, add now
 
Join Date: Jun 2009
Location: Tampa, FL
Posts: 15
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

the engine harness is OBD2A but the car is still OBD1. I tried 2 other ECU and still the same thing..the reason why i dont think its a wiring problem is because 2 cylinders worked, 2 didnt. when i tried someone elses dizzy, the opposite 2 cylinders worked, and the other 2 didnt... besides, isn't ignition through dizzy entirely mechanical?? the rotor is what tells each of the cylinfers to fire when it touches the button on cap right?? tell me if i have it wrong or dont understand ignition system fully....
la_teta is offline  
Old 05-03-2011, 01:20 PM   #7
RonJ@HT
Raising the bar
2000 Honda Civic
My Garage
 
RonJ@HT's Avatar
 
Join Date: Feb 2008
Location: Houston, Texas
Posts: 34,235
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

When you tested for spark, do all four plugs have bright white spark?
__________________
Don't guess, troubleshoot.
Useful tech links -- FAQs; Codes; Check Spark; Test Fuses; Fuse 15 TSB; Clean IACV or FITV
RonJ@HT is offline  
Old 05-03-2011, 01:35 PM   #8
la_teta
Honda-Tech Member
Garage is empty, add now
 
Join Date: Jun 2009
Location: Tampa, FL
Posts: 15
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

no only 2
la_teta is offline  
Old 05-03-2011, 01:42 PM   #9
RonJ@HT
Raising the bar
2000 Honda Civic
My Garage
 
RonJ@HT's Avatar
 
Join Date: Feb 2008
Location: Houston, Texas
Posts: 34,235
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

Check the plug wires, cap, and rotor.
__________________
Don't guess, troubleshoot.
Useful tech links -- FAQs; Codes; Check Spark; Test Fuses; Fuse 15 TSB; Clean IACV or FITV
RonJ@HT is offline  
Old 05-03-2011, 01:57 PM   #10
la_teta
Honda-Tech Member
Garage is empty, add now
 
Join Date: Jun 2009
Location: Tampa, FL
Posts: 15
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

as stated above i replaced the plugs, wires cap and rotor with brand new ones. i then tried my friends dizzy which he also has new cap and rotor recently....the bad cylinders invert. the opposite cylinders are good and opposite dont fire
la_teta is offline  
Old 05-03-2011, 01:58 PM   #11
la_teta
Honda-Tech Member
Garage is empty, add now
 
Join Date: Jun 2009
Location: Tampa, FL
Posts: 15
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

1 and 4 dont fire with my dizzy.
2 and 3 dont fire with my friends known workin dizzy
la_teta is offline  
Old 05-03-2011, 02:02 PM   #12
RonJ@HT
Raising the bar
2000 Honda Civic
My Garage
 
RonJ@HT's Avatar
 
Join Date: Feb 2008
Location: Houston, Texas
Posts: 34,235
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

Are you actually testing for spark at the plugs or just disconnecting plug wires?
__________________
Don't guess, troubleshoot.
Useful tech links -- FAQs; Codes; Check Spark; Test Fuses; Fuse 15 TSB; Clean IACV or FITV
RonJ@HT is offline  
Old 05-03-2011, 02:05 PM   #13
la_teta
Honda-Tech Member
Garage is empty, add now
 
Join Date: Jun 2009
Location: Tampa, FL
Posts: 15
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

i did both....first i just disconnectedthem...then i actually used your guide from the faq. i still dont understand the difference though....if i disconnected a cylinder and idle doesnt change, wouldnt that mean theres no spark at that cylinder?? not sure i fully understand the ignition system fully
la_teta is offline  
Old 05-03-2011, 02:12 PM   #14
RonJ@HT
Raising the bar
2000 Honda Civic
My Garage
 
RonJ@HT's Avatar
 
Join Date: Feb 2008
Location: Houston, Texas
Posts: 34,235
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

Quote:
Originally Posted by la_teta View Post
i did both....first i just disconnectedthem...then i actually used your guide from the faq. i still dont understand the difference though....if i disconnected a cylinder and idle doesnt change, wouldnt that mean theres no spark at that cylinder?? not sure i fully understand the ignition system fully
First, the method of disconnecting a plug wire to identify a "dead" cylinder is a bad idea because it can blow the coil.

Second, the two methods are different. The spark test specifically and directly determines whether spark is produced at the plug. The plug-wire-disconnect test identifies a dead cylinder but does not tell you why the cylinder is dead. It could be dead due to no spark or fuel, low compression, or wrong plug wire firing order. Therefore, test for BRIGHT WHITE spark at all four plugs using BOTH distributors.

I was also thinking that the plug wires may be installed in the incorrect firing order on one or both distributors. Check that too.
__________________
Don't guess, troubleshoot.
Useful tech links -- FAQs; Codes; Check Spark; Test Fuses; Fuse 15 TSB; Clean IACV or FITV
RonJ@HT is offline  
Old 05-03-2011, 02:15 PM   #15
la_teta
Honda-Tech Member
Garage is empty, add now
 
Join Date: Jun 2009
Location: Tampa, FL
Posts: 15
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

ok i understand
just to be sure: for a B18B1 firing order is 1,3,4,2 starting from the bottom left right??
la_teta is offline  
Old 05-03-2011, 02:18 PM   #16
RonJ@HT
Raising the bar
2000 Honda Civic
My Garage
 
RonJ@HT's Avatar
 
Join Date: Feb 2008
Location: Houston, Texas
Posts: 34,235
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

Click the image to open in full size.
__________________
Don't guess, troubleshoot.
Useful tech links -- FAQs; Codes; Check Spark; Test Fuses; Fuse 15 TSB; Clean IACV or FITV
RonJ@HT is offline  
Old 05-03-2011, 02:45 PM   #17
la_teta
Honda-Tech Member
Garage is empty, add now
 
Join Date: Jun 2009
Location: Tampa, FL
Posts: 15
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

yep thats how i have it. so i have no idea what it can be....
la_teta is offline  
Old 05-04-2011, 10:14 AM   #18
la_teta
Honda-Tech Member
Garage is empty, add now
 
Join Date: Jun 2009
Location: Tampa, FL
Posts: 15
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

Still only have 2 cylinders firing help
la_teta is offline  
Old 05-04-2011, 10:39 AM   #19
eaperez209
Honda-Tech Member
Garage is empty, add now
 
Join Date: Apr 2011
Location: Modesto, CA
Posts: 69
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

the engine harness that you are using is in fact from a 5 speed correct?
eaperez209 is offline  
Old 05-04-2011, 02:52 PM   #20
apexi_rsx
Honda-Tech Member
Garage is empty, add now
 
Join Date: Jun 2008
Location: bum-fuk egypt
Posts: 2,702
iTrader Rating: (0)
Send a message via AIM to apexi_rsx
Default Re: only 2 cylinders firing! HELP!

doesnt matter if the harness is auto or 5 spd. he needs to do a leak down test or swap ecu's and try them not just the dizzy.
__________________
06 Rsx Type S I/H/E ...14.0@101
97 civic 4dr turbo
apexi_rsx is offline  
Old 05-04-2011, 03:33 PM   #21
eaperez209
Honda-Tech Member
Garage is empty, add now
 
Join Date: Apr 2011
Location: Modesto, CA
Posts: 69
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

it actually matters quite a bit i had a 98 dc that the previews owner swapped and they thought it be ok to use an automatic harness and the car had major issues and cel on all the time ran like ****....til i changed the harness and problem solved
eaperez209 is offline  
Old 05-04-2011, 06:13 PM   #22
la_teta
Honda-Tech Member
Garage is empty, add now
 
Join Date: Jun 2009
Location: Tampa, FL
Posts: 15
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

it is a manual harness....i already tried 3 ECUs...have not performed a leak down test...dont see wat that would accomplish though seein as how all 4 cylinders actually work..just 2 work with one dizzy and the other 2 with the other dizzy we tried.
both dizzys were tested and ran perfectly on my friends B18
la_teta is offline  
Old 09-06-2011, 07:53 AM   #23
boosted240z
Honda-Tech Member
Garage is empty, add now
 
Join Date: Feb 2010
Posts: 12
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

did you figure this out i have the exact same problem in my CRX d16y8 swap and i cannot for the life of me figure out the problem



how would i go about checking the wires all the way to the ecu? does it matter if they wires have been extended and have less "shielding" around them?
boosted240z is offline  
Old 09-06-2011, 06:58 PM   #24
boosted240z
Honda-Tech Member
Garage is empty, add now
 
Join Date: Feb 2010
Posts: 12
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

anyone?
boosted240z is offline  
Old 09-19-2012, 09:12 AM   #25
bullet98
Trial User
Garage is empty, add now
 
Join Date: Sep 2012
Posts: 2
iTrader Rating: (0)
Default Re: only 2 cylinders firing! HELP!

does anybody have the answer to this problem i have the exact problem in my 98 civic with a b18b1 swap... IM GOING TO DRIVE IT OFF A BRIDGE SOON!!!!
bullet98 is offline  
 
 
 
submit to reddit
Closed Thread

Tags
96, accord, b18, cilinders, civic, cylinder, cylinders, ecu, engine, firing, firingis, honda, light, plug, removed, respond, wire, working

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump



All times are GMT -8. The time now is 05:11 AM.



2008 Copyright, InternetBrands Inc.
Powered by vBulletin® Version 3.7.4
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.

Honda and the Honda marquee are registered trademarks of the American Honda Motor Company, Inc. Neither American Honda Motor Company nor its subsidiaries or affiliates shall bear any responsibility for Honda-Tech.com content, comments, or advertising. Honda-Tech.com is not affiliated with American Honda Motor Company in any way. American Honda Motor Company does not sponsor, support, or endorse Honda-Tech.com in any way. Copyright/trademark/sales mark infringements are not intended or implied.
Emails & Contact Details