Date: Thu, 11 Aug 2005 06:08:22 GMT From: "Nasty Bob" <nospamspeedypancakenospamail.com> Subject: Re: intermittent 'check engine'
"John B" <rotten_NOSPAM_nospam.org> wrote in message news:slrndflels.s5l.rotten_NOSPAM_nospamam.example.com... > Hi, > > I've been seeing an intermittent 'check engine' light in my 1992 900 (NA). I > read the code (I'm getting rather practiced at reading codes these days) from > the LH control unit. There were two stored: > > 1. "oxygen sensor self-compensating circuit problem (incorrext air-fuel ratio > while driving)" > > 2. "air-fuel mixture too lean" > > Ok, so I'm thinking there must be an air leak somewhere, despite the fact that > I just recently replaced most of the vacuum hoses. The trouble is that the > warning light only comes on intermittently, and only when driving at highway > speeds for at least 10 or so minutes. Also, the engine still seems to run ok > when this is going on. So how can I figure this out? > > Thanks, > John Mine '93 9000 CS has been going on and off ever since I got it. You hear tales of new oxygen sensors or even loose fuel caps... I've just ignored mine and it's and it still had an engine under the hood last time I checked :)
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