

| Subject: | Re: new to list and '84 rich running solution (long) |
| From: | Mike Miller |
| Date: | Sat, 1 Feb 2003 14:14:05 -0800 |
There is a star ground on the driver side of the engine. There is another ground over there well hidden underneath and just forward of the star ground. There may be other and I don�t know if any of these are fuel injection grounds. Mike On 2/1/03 1:41 PM, "will hansen" <k_kodiak1@yahoo.com> wrote: > Mike, > > Just where are the fuel injection harness ground wire ring terminals? I am new > to Vanagon parts. Thank you. > > Will Hansen 87 2.1L Vanagon automatic > > Mike Miller <mwmiller@CWNET.COM> wrote: >> So many problems seem to come back to bad grounds. >> >> Dip the darn vans in solder. >> >> Mike >> >> On 12/25/02 7:13 PM, "Gregory Smith" wrote: >> >>> > Hi everyone, >>> > >>> > I found lots of messages in the archives about rich >>> > running and lots of different solutions, when there >>> > was one. I finally solved my rich running problem, so >>> > I thought it would help to post my solution. >>> > >>> > My '84 started running rich during a thanksgiving >>> > trip. Mileage went from 20-25 mpg to 17, then 12, >>> > then 7. I borrowed my friend's Bently manual and >>> > checked every component you can. I changed the O2 >>> > sensor, fiddled with the AFM, tested fuel pressure, >>> > tested even swapped the temp sensor. I even swapped >>> > the ECU just in case. Nothing helped. >>> > >>> > I tried in vain for a month to fix the! problem, only >>> > to find the solution was the F.I harness ground wire >>> > ring terminals! They were old and corroded, so I >>> > cleaned the terminals. Upon closer inspection I could >>> > see they had been getting so hot as to blister the >>> > insulation closest to the ring terminals. A VOM >>> > tester showed 6-8 ohms resistance between the wire and >>> > the ring terminal. I cut the rings off, soldered on >>> > new ones and used a little heat shrink tubing to lend >>> > support at the joint. Now showing 0-.002 ohms >>> > resistance. Bolted up to the head and Presto! Very >>> > annoying, diabolical problem gone. >>> > >>> > I think the ground resistance was tricking the ECU >>> > into running the "cold start injecton map" as I call >>> > it, since this Digijet doesn't have a cold-start >>> > injector per se. >>> > >>> > An oil change (always good after dumping so much fuel) >>> > and we're up and running again. Just thought some! one >>> > might find this helpful after reading the scores of >>> > "rich running" posts in the archives. >>> > >>> > Ciao, >>> > Gregory Smith >>> > '84 Vanagon >>> > >>> > __________________________________________________ >>> > Do you Yahoo!? >>> > Yahoo! Mail Plus - Powerful. Affordable. Sign up now. >>> > http://mailplus.yahoo.com >>> > > > > Do you Yahoo!? > Yahoo! Mail Plus <http://rd.yahoo.com/mail/mailsig/*http://mailplus.yahoo.com> > - Powerful. Affordable. Sign up now > <http://rd.yahoo.com/mail/mailsig/*http://mailplus.yahoo.com>
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