Vanagon EuroVan
Previous messageNext messagePrevious in topicNext in topicPrevious by same authorNext by same authorPrevious page (June 2011, week 2)Back to main VANAGON pageJoin or leave VANAGON (or change settings)ReplyPost a new messageSearchProportional fontNon-proportional font
Date:         Wed, 8 Jun 2011 12:15:24 -0700
Reply-To:     Rocket J Squirrel <camping.elliott@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Rocket J Squirrel <camping.elliott@GMAIL.COM>
Subject:      Re: Cold start issue [SOLVED]
Comments: To: Scott Daniel - Turbovans <scottdaniel@turbovans.com>,
          David Beierl <dbeierl@attglobal.net>
In-Reply-To:  <12ab01cc248b$e98e4150$6401a8c0@PROSPERITY>
Content-Type: text/plain; charset="UTF-8"

You guys are so smart. I unplugged, peered at, added a bit of contact cleaner into, then re-plugged the connector back into the Temp 2 sensor, and now the van is right as rain.

On Mon, 2011-06-06 at 13:54 -0700, Scott Daniel - Turbovans wrote:

> re > Reads 3.4K ohm @ 13 degrees C, which is smack dab in the middle of the > > >expected correct reading per figure on Bentley page 24.19. > > These sensors can be 'nebulous'. > In other words ..if they do spec right .. > it can still be poor contact ( worked on that on an 84 for quite a while one > time ) at Temp Sensor II, or the sensor itself. > > I suspect you might have gotton the common cheaper aftermarket one two years > ago. > The OE ones are better.. > and ...seriously ...contact to that sensor .. > like spark plugs wires ..once in a while you can go nutty on an engine > problem and in the end it was just ( nebulous also ) spark plug wire, or > ..........contact at the sensor. > > I have also seen them be ok cold, but wonky hot, etc. > > if it was a hundred dollar part ...we'd rather not take a chance on one > unless we think that's really it. > but at 10 to $ 35 ...and you should have a spare anyway .. > worth trying. > wiggle the wires to it while the engine is idling. Gently ..but try that. > or better yet, > ohm check from the ECU connector on the right pins while you wiggle, key > off, engine off. > See if the ohm meter reading acts up. > > there are times when a new one just makes a difference. > and always be suspect of the connecion there. > it is 27 years old after all. > Wiring does deteroiate in VW's over time. And the most stress and wear is > on the ends..at the connectors. > ( might try with O2 disconnected, just for the fun of it. That 'could' > reveal something. ) > > scott > www.turbovans.com > > > ----- Original Message ----- > From: "Rocket J Squirrel" <camping.elliott@GMAIL.COM> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Monday, June 06, 2011 12:12 PM > Subject: Re: Cold start issue > > > > Thanks, Rob. In the interest of keeping posts trimmed I try not to > > repeat myself. In my initial post, and a couple after that, I said that > > the van only has the cold start problem at the first start of the day. > > From then on, no problem, even after it's been sitting for a few hours. > > > > On Mon, 2011-06-06 at 11:17 -0700, Rob wrote: > > > >> That's 55 degrees F, that's cold and you know it starts well when > >> cold, drive it & warm it up to when you have the start problem and > >> test it then. > >> > >> Rob > >> becida@comcast.net > >> > >> At 6/6/2011 10:50 AM,Rocket J Squirrel wrote: > >> >Reads 3.4K ohm @ 13 degrees C, which is smack dab in the middle of the > >> >expected correct reading per figure on Bentley page 24.19. > >> > > >> >So I must look elsewhere for cause of trouble. > >> > > >> >On Sun, 2011-06-05 at 13:59 -0400, David Beierl wrote: > >> > > >> > > At 01:22 PM 6/5/2011, Rocket J Squirrel wrote: > >> > > >Stupid thing. I already replaced it once, about four years ago. > >> > > >What's > >> > > >up with that part? Lousy design? > >> > > > >> > > Good to have a spare, even though the 1.9l ones cost more than the > >> > > 2.1l. But certainly no harm to unplug/replug, exercise the > >> > > connection. And to get more information, before you do that wait > >> > > overnight then unplug the ECU and do the resistance check on 24.20, > >> > > third step. If you get a reading at that plug that's within spec for > >> > > the temperature (see previous page) it would suggest TII is not the > >> > > problem. If it's out of spec, check/clean connection at sender, see > >> > > if that fixes. > >> > > > >> > > Yrs, > >> > > David > >> > > >


Back to: Top of message | Previous page | Main VANAGON page

Please note - During the past 17 years of operation, several gigabytes of Vanagon mail messages have been archived. Searching the entire collection will take up to five minutes to complete. Please be patient!


Return to the archives @ gerry.vanagon.com


The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.

Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.