Bad O2s

[Bruce Plecan]

-----Original Message-----
From: Shannen Durphey <shannen at grolen.com>
To: gmecm at esl.eng.ohio-state.edu <gmecm at esl.eng.ohio-state.edu>
Date: Tuesday, March 23, 1999 9:02 PM
Subject: Re: Bad O2s

Is anyone aware of a 4 wire O2 that the exterior is about a 1/2" in
diameter,
ie. really close in size to the part that goes into the exhaust?.
Might even have Holes rather than louvers, for the interior sampling?.
Bruce



>Changed lots of 4 wire sensors on the pickups, esp. 96.  Not sure of
>the part no.  Got to be O2 code=new sensor, call that "diagnosis".
>Heater bad?  Maybe.  Sensor got lazy too early.
>Shannen
>
>Bruce Plecan wrote:
>>
>> Anyone hear about any problems with the GM 25312184
>> O2 Sensors?..  It's the four wire, I just got a new one and the
>> heater ground goes only to the shell.  Infinite ohms, heater power to
>> heater ground wire.
>> Bruce
>