1997 Sporadic Idle / Stall issue - fixed - Defender Source
Defender Source  

Go Back   Defender Source > Defender & Series Technical Discussions > Defender Technical Discussions


Reply
 
Thread Tools
  #1  
Old March 7th, 2012, 12:47 AM
brettm's Avatar
brettm
Status: Offline
Brett
97 D90-SW, Arles +4.6
Member
 
Join Date: Dec 2010
Location: seattle, wa
Posts: 188
1997 Sporadic Idle / Stall issue - fixed

I've been chasing a hard-to-reproduce erratic idle / stalling issue.

Never cut out when cold, only after it got warm from a short-trip and started up again. Would often just start then when I took my foot off gas to shift out of park (97), idle would drop, gasp for air and die. Happened often coming to a stop at a light.

Sometimes would happen for days in a row, then nothing for a week. Sometimes died at 20 mph when I took my foot of the gas.

Tried the usual suspects, new Stepper, new VSS, new TPS etc.

Turned out to be a really easy fix in the end. Replaced both the hoses shown in green in the image. I believe the primary culprit was the one that runs from near the oil filler cap to the plenum (on right in picture), it was lined with thick oily gunk. Flushing it made a considerable difference - replacing it solved the problem all together.

Been running great for a month now with no dips in idle or stalls in sight. Fingers crossed.

(Picture is a GEMS sample I found online - not my actual engine - obviously )
Attached Thumbnails
Click image for larger version

Name:	hoses.jpg
Views:	182
Size:	59.8 KB
ID:	48659  
Reply With Quote
Sponsored Links
Advertisement
 
  #2  
Old March 7th, 2012, 08:22 AM
MAX711's Avatar
MAX711
Status: Offline
Andrew Dance
1994 D-90 ST
Member
 
Join Date: Jun 2009
Location: Las Vegas, NV
Posts: 114
Might want to check your throttle body too. If there's that much gunk in the hose then some of it will have gotten into the throttle body and butterfly assembly?
Reply With Quote
  #3  
Old March 7th, 2012, 04:59 PM
97-D90-736
Status: Offline
Nick Vogel
1997 D-90 / 2012 LR4
Member
 
Join Date: May 2009
Location: Houston, Texas
Posts: 508
My driver's side tube had a super small crack in it and did the exact same thing. Huge PITA to figure out, but a 13 dollar fix in the end.
Reply With Quote
Reply

Lower Navigation
Go Back   Defender Source > Defender & Series Technical Discussions > Defender Technical Discussions

Tags
1997, 97, idle

Thread Tools

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
1997 Defender Issue...Need some advice NDRover Defender Technical Discussions 19 June 30th, 2011 12:46 PM
1997 D-90 Idle Speed ndhlp Defender Technical Discussions 4 October 11th, 2006 11:43 AM
Fault Code 48/fast engine idle speed arbik Defender Technical Discussions 9 June 2nd, 2006 07:02 AM
Idle Issue saber6 Defender Technical Discussions 2 April 19th, 2006 01:25 PM
Headlight Switch Issue, any ideas? januconn92 Defender Technical Discussions 1 July 24th, 2005 11:53 AM


All times are GMT -5. The time now is 02:46 PM.


Copyright