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Date:         Tue, 9 Dec 2003 21:00:34 -0800
Reply-To:     "J. Harvey" <jtharvey2@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         "J. Harvey" <jtharvey2@HOTMAIL.COM>
Subject:      Re: oxygen sensor
Comments: To: jfarrugi@UMICH.EDU
Content-Type: text/plain; format=flowed

I take it the engine now sits in a Vanagon, right? That's too bad. There's been a recall: http://www.epa.gov/reg3artd/whatnew/vw-fs.pdf

>From: Jonathan Farrugia <jfarrugi@UMICH.EDU> >Reply-To: Jonathan Farrugia <jfarrugi@UMICH.EDU> >To: vanagon@GERRY.VANAGON.COM >Subject: oxygen sensor >Date: Tue, 9 Dec 2003 23:15:55 -0500 > >i have a technical oxygen sensor question i would like to pose to the >list. i am in the process of replacing the oxygen sensor on a engine >from a 99 golf 2.0 liter engine code AEG. the oxygen sensor that i am >replacing is the one after the catalytic converter. in an attempt to >cut the cost on this replacement i saw that it was a four wire bosch >sensor, so i searched the web for cheap four wire bosch sensors that >could be spliced to my wiring harness. i found a sensor for $40 for a >93-95 chrysler concord. when i went to change the sensor out i noticed >that it was unlike any sensor that i had seen before. > >after doing some more web research i have determined that this car and all >newer vw's and audi's are using planar oxygen sensors. the one i bought >is a four wire heated thimble sensor. so my question is will the four >wire heated thimble work for me or do i need to buy a planar sensor, ie >what are the draw backs of running a thimble sensor in place of a planar >sensor? from what i have read the differences are that the planar sensor >reacts faster, heats faster, and requires less current to run the heater, >but other than that it looks like the output is the same. one other >question i would like to ask is does anybody know the bosch part number >for the oxygen sensor after the catalytic converter on a 99 golf? mine >was pitted on the first couple of digits so i can't make out the number >and i can't find the number on the web, the long bosch part number that >is. > >i've been using the bosch site to cross numbers for cheap planar sensors >and i have it down to about $61 for a planar sensor that can be spliced to >my wiring harness. thats probably what i will do but i would still be >interested to know if i could use the thimble sensor in place of the the >planar sensor. if anyone wants to do reading on sensor stuff here are >some links. i've asked this question to some other lists and come up >short so i am depending on the cumulative far reaching wisdom of the >vanagon list. :) > > >-------------------------------------------------------- >bosch faq oxygen sensor web site > >http://www.boschusa.com/AutoParts/FAQs/OxygenSensors/ > >-------------------------------------------------------- > >vw 2.0 uses a planar oxygen sensor > >http://www.asashop.org/autoinc/may2003/o2.htm > >-------------------------------------------------------- > >which cars use planar oxygen sensors, LSF 4 narrow band sensors > >http://www.forparts.com/Bos02update2.htm > >------------------------------------------------------- > >technical pdf on bosch sensors, very good > >http://www.sts.sae.org/membersonly/techinfo/servicetech/oxygen13-17.pdf > >-----------------------------------------------------

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