Date: Mon, 1 Mar 2004 11:23:46 -0500 From: "Fred W." <Fred.Willsnospampam myrealbox.com> Subject: Re: Oxygen sensor problem
"LeonB" <leonb2nospamot.com> wrote in message news:Mhv0c.1773$jw2.97496nospam20.bellglobal.com... > My 1994 9000 CSE has problems idling and accelerating after the engine gets > hot. After it cools down, no problem. I has the same problem on my previous > 900S and it was traced to the O2 sensor in the exhaust manifold. Yep, sounds like it could be a bad O2 sensor. > My > questions: (A) Is there a way to check if the sensor is functioning > properly? Yes. Backprobe the connector from the O2 sensor and watch the signal it sends to the ECU. It should be a fluctuating voltage of between 0 and 1.2 volts if all is well. If there is no fluctuation or it is very slow then all is not well. >(B) is it possible to clean or renew the sensor? No. > (C) if replacing, > I heard that other makes of O2 sensors work just fine at a much lower price? Don't bother. Shop ariound for a Bosch replacement. The difference is not worth the chance. -Fred W
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