

| Subject: | Re: temp sensors? |
| From: | jonathan waters |
| Date: | Fri, 17 Jul 2009 20:34:56 -0700 |
On Fri, Jul 17, 2009 at 1:34 PM, Scott Daniel - Turbovans < scottdaniel@turbovans.com> wrote: > my thoughts....... > ( other than the huge step forward a subaru engine is ) > is that if a little corrosion on the distributor cap was making it run > poorly ....... > then that copuld inidicate something tired downstream. > like ancient plug wires, and large spark plug gaps. > > All New... Even O2 & Cat... > > > > not to sound too cavilier ......but I almost don't even check in bosch > distributor caps on waterboxer engines anymore. > I mean I will just to make sure it looks half decent...... > about like you need to make sure there's enough oil in an engine .... > but 'in practice' .............I never find them to be weak at all. So > 'usually' that's not the reason or source of a problem, > though obviously tired things need to be replaced or service when they need > it. > > scott > ----- Original Message ----- From: "jonathan waters" < > shponglevan@GMAIL.COM> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Thursday, July 16, 2009 6:14 AM > Subject: Re: temp sensors? > > > Thanks Everyone! >> >> I was just assuming it was aluminum? >> There was a very thin hard / brittle coating on the >> inside dia of the distributor contact points >> where the rotor contacts the cap. >> >> Once I carefully scraped that off it ran fine. >> >> Now I do still have an overly fast idle to contend with. >> It is a syncro, so I will try to locate the temp sensors first. >> >> then move on to the tps sensor. >> I did notice that when I unplugged it >> and sprayed a little wd40 on it >> the idle went down to 1K >> So, I thought it was probably just a bad connection. >> >> But soon went back up. >> May the computer was adjusting? >> And yes Scott, I agree! >> A Subbie is in the near future ! >> >> On Wed, Jul 15, 2009 at 5:41 PM, Scott Daniel - Turbovans < >> scottdaniel@turbovans.com> wrote: >> >> is it a Bosch cap ? >>> I recall noiticing aluminum terminals in non-bosch el cheapo distributor >>> caps, >>> which have no purpose on a vanagon. >>> >>> I find that a real Bosch cap and rotor will last nearly indeffenitley >>> ........or 'amost indefenitely'. >>> >>> 20 / 30 years ago, I'd fuss over the elctrodes in caps, cleaning them >>> carefully etc..... >>> but those cars had very weak points and coil igntion. ........they needed >>> all the help they could get. >>> >>> the igntion systems in vanagons is very strong ....... >>> like they 'seem' like they are 5 times more powerful than igntion systems >>> of >>> yore - like points type non-electronic. >>> >>> So I find myself not even worrying about distrubotor caps on vanagons >>> much >>> at all....... >>> as long as they are the right bosch type. >>> I worry about spark plug wires more than I worry about bosch distributor >>> caps on vanagons. I must have 10 good used ones..... >>> and really......they barely wear ..............at least the ones I see. I >>> don't think I've ever even seen a Bosch distributor cap on a vanagon >>> engine >>> fail in any way. >>> I would say ........ >>> that if everything else is working as it should.........goed plugs, good >>> wires, good coil, engine running right etc..... >>> a Bosch distributor cap on a vanagon that's 3 years old.............is >>> still >>> just fine. Like they'll do 40 to 60,000 miles even. >>> >>> but I see an el cheapo on a vanagon .....I take it right off and save it >>> for >>> an emergency spare, or something like that, and get a proper bosch >>> distributor cap and rotor. Those are the only proper caps and rotors on >>> vanagons as far as I'm concerned, and boy to they last well. And no >>> complaints at all about quality. >>> I'd say they are 'perfect' in every way. >>> ( expect for even being there in the first place............Move up to a >>> soobie engine and you won't be messing with any distributor cap & rotor >>> .........'cause there isn't one on those engines, most 'more-high-techly' >>> . >>> Scott >>> www.turbovans.com >>> >>> >>> ----- Original Message ----- >>> From: "Larry Alofs" <lalofs@GMAIL.COM> >>> To: <vanagon@GERRY.VANAGON.COM> >>> Sent: Wednesday, July 15, 2009 5:22 AM >>> Subject: Re: temp sensors? >>> >>> >>> Thank you gentlemen. Learn something every day. >>> I didn't realize that it was on the inside of the cap. >>> >>> Larry A. >>> >>> >>> On Tue, Jul 14, 2009 at 10:09 PM, Tom Hargrave<thargrav@hiwaay.net> >>> wrote: >>> >>> He probably knows, it will be a very fine grey powder. It's usually from >>>> the >>>> electrodes inside the cap & excess arcing can spray the stuff all over >>>> the >>>> inside of the cap. I like the old caps with the copper electrodes - >>>> copper >>>> oxide is not conductive. >>>> >>>> Thanks, >>>> Tom Hargrave >>>> Our Web Sites: >>>> www.kegkits.com >>>> http://www.kegkits.com/JABF/ >>>> www.stir-plate.com >>>> www.andyshotsauce.com >>>> 256-656-1924 >>>> >>>> >>>> -----Original Message----- >>>> From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM] On Behalf >>>> Of >>>> Larry Alofs >>>> Sent: Tuesday, July 14, 2009 9:16 PM >>>> To: vanagon@GERRY.VANAGON.COM >>>> Subject: Re: temp sensors? >>>> >>>> How do you know it was aluminum oxide and where do you think it came >>>> from? >>>> >>>> Larry A. >>>> >>>> >>>> On Tue, Jul 14, 2009 at 6:17 PM, jonathan waters<shponglevan@gmail.com> >>>> wrote: >>>> >>>> Thanks Everyone! >>>>> >>>>> I found aluminum oxide coating on the distributor cap, >>>>> that was stopping the bus from running well >>>>> especially at lower rpm's. >>>>> ( and, surprisingly, to me, the cap isnt even 4K old? ) >>>>> >>>>> And that got me back on the road >>>>> to Canada and eventually home. >>>>> (and Internet access as well) >>>>> >>>>> But, I am still having problems with High RPM's >>>>> running about 2K instead of 1. >>>>> >>>>> I'm guessing tps too. >>>>> >>>>> This is a syncro I guess I should have added. >>>>> Does this affect the location of the temp sensors? >>>>> >>>>> Thanks again, >>>>> Jonathan >>>>> >>>>> >>>>> On Sat, Jul 4, 2009 at 6:48 PM, Scott Daniel - Turbovans < >>>>> scottdaniel@turbovans.com> wrote: >>>>> >>>>> adjustment of the throttle switch pops to mind. >>>>> >>>>>> those get off ......I find them out of adjustment 'usually' even. >>>>>> I find some worn enough that you can't adjust it to spec, without >>>>>> lengthening a slot an adjustment screw slides in. >>>>>> >>>>>> Timing is probably right ....but always important to consider that >>>>>> one. >>>>>> oxygen sensor ? >>>>>> does it run strongly cold, but less so warm ? >>>>>> what's the status of the fuel filter ? >>>>>> >>>>>> fwiw..........sure, I find tired tune up parts, and cheap tune up >>>>>> parts >>>>>> ........ >>>>>> and replace those of course ........but I never find 'poor running' is >>>>>> really due to 'tune up parts' ..........not unless there's a bad plug >>>>>> >>>>>> wire >>>>> >>>> >>>> say , or fouled or very tired spark plug .......my point is ........ >>>>> >>>>>> yes, tune up parts have to be decent and to spec, and adjusted right >>>>>> ....... >>>>>> but when they don't run right ..........it's usually things other than >>>>>> >>>>>> tune >>>>> >>>> >>>> up parts ..but they do have to be right of course as well. >>>>> >>>>>> >>>>>> Air flow meter ? >>>>>> the only symptom I get on those is uneven running .......like weak >>>>>> spots >>>>>> >>>>>> in >>>>> >>>> >>>> the acceleration curve . I consider them a weak link because it's where >>>>> >>>>>> electrons interface with something mechanical...........always a weak >>>>>> >>>>>> area >>>>> >>>> >>>> in my opinion. Next technology up, uses an air mass meter with no moving >>>>> >>>>>> parts .......no sweeper arm or anything hokey light that . >>>>>> vacuum leaks ? >>>>>> I had one waterboxer engine that ran, started nicely......but just >>>>>> didn't >>>>>> rev out well. >>>>>> You could even tell............open the throttle.......it was getting >>>>>> the >>>>>> air, but no fuel to go with it. >>>>>> I found about a dozen intake air leaks on that engine ....... >>>>>> and that's all it was. It was leaking at the intake runner rubber >>>>>> boots, >>>>>> >>>>>> at >>>>> >>>> >>>> the throttle body rubber seal, at the screws that secure the fuel >>>>> >>>>>> >>>>>> pressure >>>>> >>>> >>>> regulator bracket even .......lots of tiny leaks. That's all it was >>>>> >>>>>> >>>>>> too. >>>>> >>>> >>>> >>>>> speaking of ........fuel pressure ..........usually good, but you need >>>>>> to >>>>>> always consider or test for that one too. >>>>>> Scott >>>>>> www.turbovans.com >>>>>> >>>>>> >>>>>> ----- Original Message ----- From: "jonathan waters" < >>>>>> shponglevan@GMAIL.COM> >>>>>> To: <vanagon@GERRY.VANAGON.COM> >>>>>> Sent: Saturday, July 04, 2009 7:08 AM >>>>>> Subject: temp sensors? >>>>>> >>>>>> >>>>>> >>>>>> Hi, >>>>>> >>>>>> I have a 2.1, and it started to run kind of funny? >>>>>>> It starts good, and has been running real good. >>>>>>> until now that is! >>>>>>> I have given it a real good tune up. >>>>>>> Even a new cat. >>>>>>> but what I am experiencing now, >>>>>>> after just driving 800 miles, >>>>>>> is a lack of power on starting to drive? >>>>>>> I have to rev it up to get it to have any Ump! >>>>>>> I am wondering if it may be a temp sensor? >>>>>>> Is there 2 of them? >>>>>>> And where are they located? >>>>>>> Any help from you guys would be much appreciated! >>>>>>> Thanks, >>>>>>> jon >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>> >>>> >>>> >
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