'98 Civic HX CEL - O2 sensor - Fuelly Forums

Android Users - Coming Soon! - Migrating from aCar 4.8 to 5.0

Reply
 
Thread Tools Display Modes
 
Old 11-24-2008, 03:28 PM   #1
Registered Member
 
Join Date: Feb 2007
Posts: 244
Country: United States
'98 Civic HX CEL - O2 sensor

Hello all,

I previously posted about my '98 HX poor FE: http://www.gassavers.org/showthread.php?t=9419

The general consensus was the primary O2 sensor was bad, so I bought direct fit replacement: WALKER Part # 25025001, which listed the 92 -95 VX and 92 - 01 HX as valid vehicles for this part number. I replaced the sensor yesterday (correct plug, no splicing anything), and the CEL came on w/ the primary O2 sensor code (61) after 10 miles. I figured I should have reset the ECU, so I disconnected the negative battery cable, waited a couple of minutes, and reconnected it. The CEL came on again about 50 miles later.

Any suggestions about what the problem is? Should I have bought the genuine Honda O2 sensor? There was no CEL before replacing this except a few times in the last couple of years as described in the thread mentioned above. Any suggestions is appreciated.
__________________

__________________
cems70 is offline   Reply With Quote
Old 11-30-2008, 11:09 AM   #2
Registered Member
 
Join Date: Nov 2008
Posts: 9
Country: United States
disconnecting the battery will not reset the ecu. the car is obd2 it has too be resetted with a scan tool.
__________________

reallyslow is offline   Reply With Quote
Old 01-01-2009, 01:17 PM   #3
Registered Member
 
Join Date: Dec 2008
Posts: 51
Country: United States
Check the exhaust manifold for hair-line cracks, this is a well know problem with 1996-2000 Civics and will definetly set off the CEL.
want2buyVX is offline   Reply With Quote
Old 01-24-2009, 06:35 PM   #4
Registered Member
 
Join Date: Feb 2007
Posts: 244
Country: United States
** Update **

Found out from the auto parts store where I purchased the Walker O2 sensor that they had a bad batch of these with 80% of them returned. Not sure if it was only this specific Walker part number or all Walkers. I returned it for a full refund and purchased a $99 unit that someone recommended on another thread. No CEL.

Reallyslow: I've posted many times (and seen other posts) about resetting the HX ecu by disconnecting the negative battery cable and no one has ever mentioned that a scan tool is necessary to do this. Can anyone else verify this? Do I need to reset the ecu after installing the new O2 sensor 6 weeks ago, or does the ecu adapt to the new O2 sensor on its own?
__________________
cems70 is offline   Reply With Quote
Old 02-22-2009, 12:24 PM   #5
Registered Member
 
Join Date: Dec 2008
Posts: 51
Country: United States
You must use the scan tool to clear the code.

If you install a new O2 sensor, you will still have the CEL when you turn the car on.

I found this out with my 98 Civic EX.
want2buyVX is offline   Reply With Quote
Reply

Thread Tools
Display Modes

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
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
help!! californians mkiVX Motorcycles 1 07-17-2008 11:03 PM
How Many of You Do This?... bowtieguy General Discussion (Off-Topic) 18 05-17-2008 05:44 PM
New Japanese Crap Request Thread SVOboy General Discussion (Off-Topic) 10 07-01-2007 04:34 PM
Taller gearing and its negative impact on FE Spule 4 General Maintenance and Repair 8 12-09-2006 06:54 AM

Powered by vBadvanced CMPS v3.2.3


All times are GMT -8. The time now is 05:48 AM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2018, vBulletin Solutions, Inc.