Re: diagnose this. . . electrical malady

["Chris DeLong" <green536@hotmail.com>]

<x-flowed>Dont know if you damaged the brain. try doing a pin test as per Bentley 
instruction. As to the glowing thing that means you are running REALLY lean. 
Now why you have high CO and glowing i couldnt tell ya. the antiseize 
shouldnt damage the cat cause it comes on brand new bosch O2 sensors. HTH


>From: Pei-Chung Ting <chungsteroonie@yahoo.com>
>To: scirocco-l@scirocco.org
>Subject: diagnose this. . . electrical malady
>Date: Mon, 6 Dec 1999 22:22:28 -0800 (PST)
>
>Hello folks,
>
>Had a problem today after I replaced an O2 sensor.
>It's an '87 16v scirocco.  The car ran great. . . and
>then, it died. . . RPM's did a couple of up/down
>numbers. .. went down to 0 and then bounced back up
>and then died.  Used to do it periodically, but it
>would always only be for a split second and come back
>to life.  Here's what I think happened.  Those who are
>knowledgeable about this fuel injection system please
>correct me if I'm wrong.
>
>When I got the car, the O2 sensor was putting out a
>12v signal because it was crossed with the heater
>element wires. . . may have had adverse effects on the
>brain.  I uncrossed the wires, but the sensor may have
>been FUBAR which explains my sudden power gains.
>After I uncrossed the wires, I don't think the O2
>sensor was working so it was putting out 0 volts
>making the car run rich.  Which explains my
>not-so-passing-smog scenario.  CO is way high and
>Hydrocarbins are real high as well.  I suspect the
>brain got damaged from the 12 volt shock causing
>problems now. . . right when I replaced the o2 sensor
>with a good one that's putting out a good fluctuating
>signal.
>
>And now, my other problem. . . recently replaced the
>catalytic converter with the TT downpipe/cat unit.
>Are these things supposed to glow red and smoke?  It
>was doing fine for a while. . . until I replace the o2
>sensor. . . could the anti-seize compound on the
>sensor threads have gotten into the cat and made it
>burn up?  I'm thoroughly confused.  Good thing is, if
>it's doing stuff it's not supposed to, I should be
>able to get a new one under some kind of common sense
>warranty 'cause the shop I bought it from is friends
>with the a TT guy.  Sorry 'bout the long post, hope
>some of you can help out.
>
>thanks,
>'Chung
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Chris DeLong
ICQ#45030867
Seattle, WA USA
'80 16V Rag
'65 Bus (ugly, but good for campin' W/toaster oven)
'82 GLI (with a severely mangled trunk lock thanks to the fucking thieves!)
'80 'Vert
'61 17 Window
'78 Scirocco


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