Vanagon EuroVan
Previous messageNext messagePrevious in topicNext in topicPrevious by same authorNext by same authorPrevious page (October 2014, week 5)Back to main VANAGON pageJoin or leave VANAGON (or change settings)ReplyPost a new messageSearchProportional fontNon-proportional font
Date:         Thu, 30 Oct 2014 10:12:02 -0700
Reply-To:     Dan N <dn92610@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Dan N <dn92610@GMAIL.COM>
Subject:      Re: Single wire Oxygen sensor: Substitution report..
Comments: To: Stuart MacMillan <stuartmacm@gmail.com>
In-Reply-To:  <014a01cff463$ac0a9cb0$041fd610$@gmail.com>
Content-Type: text/plain; charset=UTF-8

FYI... regarding Bosh Oxygen sensor - same as at our favorite vendors

http://www.autozone.com/engine-management/oxygen-sensor/bosch-oxygen-sensor/volkswagen/vanagon-2wd/1990/4-cylinders-b-2-1l-fi/232283_115960_1784/

On Thu, Oct 30, 2014 at 10:05 AM, Stuart MacMillan <stuartmacm@gmail.com> wrote:

> Of course it works fine, the only reason for the heated version is to have > lower emissions during cold start warm ups by getting the 02 sensor working > quicker, which isn't even measured during state emissions tests. It's an > EPA requirement, and every little bit helps over millions of vehicles. > There has been a long effort to do all kinds of things to warm engines up > quickly to minimize cold running richness. For example, my '06 Scion won't > upshift to "drive" below 35 mph until it's been driven for about two > minutes. When I first got the car I asked the dealer if this was normal, > and it is. > > Your idle drop issue after a hot run is not due to the O2 sensor. More > diagnostic fun in store! > > Stuart > > -----Original Message----- > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf > Of Don Hanson > Sent: Thursday, October 30, 2014 9:35 AM > To: vanagon@GERRY.VANAGON.COM > Subject: Single wire Oxygen sensor: Substitution report.. > > I run digifant engine management for my inline VW ABA Jetta motored > vanagon...same as the stock Vanagons but with the inline motor providing > the go..A few weeks ago I had some problems with my engine management > system and traced it to a dysfunctional Oxygen sensor. I'm almost > positive the problems were a result of bad wiring between the O2 sensor > and the ECU, but I have no actual confirmation of that. > > Anyhow, I was unhappy with the cost of replacing the Bosch 3-wire > heated Oxygen sensor in my rig...the best I could find was about $70 for > another Bosch heated sensor, and that one didn't even have the proper plug > for my wiring harness...So I did some research, called around a bit and > asked...and the general response was that I could replace that 3 wire > heated oxygen sensor with the single wire Bosch sensor and save myself > about $50 without any real downside to engine performance. But......No one > would actually come right out and tell me that. Lotta "Oh, that should be > OKs"...and "I don't see any reason why that wouldn't work fine"s....There > was also some nebulous opinion as to how to properly connect the > sensor...Should the shielded wire loom carry a grounding connection or > not...etc... > > Anyhow I bought a single wire Bosch from Van Cafe and installed it. > The results are quite satisfactory. The only downside has been that after > sustained highway driving if you shut off the motor for a short while the > idle speed is a little low...low enough to stall sometimes...for just a > couple of seconds, until the O2 sensor gathers enough heat to resume proper > function, I guess. > > I have regained my fuel economy...back up to 24.xx mpg after 3000 miles > with the new sensor. the O2 sensor i again modulating the fuel mix > properly....When running with the O2 sensor disconnected from the ECU, I > was seeing around 4-6mpg less gas mileage but the motor felt quite happy > and strong.. > > So, in my case, I successfully saved some money on that part and gained > back my good gas mileage. Here's a handy app to help you track your > fuel...there's one for the smart phones, too.... > http://www.fuelly.com/dashboard >


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.