The give away here is the brief period of normal running after re-start. Definite O2 sensor or wiring problem. Bad ground, shorted O2 senor lead, etc. Bad temp sensor would effect the starting or the richness would be immediate. Dennis
>From: John Bange <jbange@GMAIL.COM> >Reply-To: John Bange <jbange@GMAIL.COM> >To: vanagon@GERRY.VANAGON.COM >Subject: Re: '89 vanagon poor engine performance >Date: Mon, 2 Apr 2007 22:17:30 -0700 > >On 4/2/07, danielludwick <danielludwick@gmail.com> wrote: >> >> Now I've put a knew one and and wired it in, but give the engine 2 >>minutes and I find that at low RPM's the engine seems to be getting too >>much >>fuel (or perhaps not enough air?); it boggs out and nearly dies. If I turn >>off the engine and restart it, the problem goes away for a few minutes, I >>would assume because it takes the computer about this long to register the >>info it receives. > > >If you're confident the O2 sensor (and associated wiring) is OK, then it >sounds like a possible Temp II (water temp) sensor problem. > >-- >John Bange >'90 Vanagon - "Geldsauger" |
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