Date: Fri, 22 Sep 2006 10:57:42 -0400 From: Fred W <Malt_Houndnospamm-me-not*yahoo.com> Subject: Re: Emissions & DIC
J. Harris wrote: >>J. Harris wrote: >> >>>Hello All. Our '97 900SE failed it's emissions inspection; > > specifically, > >>>the code for a faulty cam-shaft sensor was read (gas cap passed and ppm > > NOX > >>>passed). After the local independent Saab specialist re-set the >>>codes/computers, the Check Engine light stayed "off" for about 20 > > miles... > >>>Question: Is the next most logical fix a new Direct Ignition Cassette? > > And > >>>while I understand it's a quick/easy replacement for most DIYers, what > > about > >>>re-setting the codes for the next inspection? Any other possible >>>ideas/repairs needed? Thanks in advance, >> >>Ummm... why wouldn't you try the camshaft sensor first? >> >>-- >>-Fred W > > > Good point. I think the mechanic already checked it; hence his suggestion > about the DIC. Also if it helps, the spark plugs were changed 3000 miles > ago at 93K miles for the 90K/95K service. > > Based on MRFWU theory (Most Recently Fiddled With Unit) one of the plugs could be bum. -- -Fred W