Location is on the exhaust pipe on the passenger side, UNDER THE TRUCK,
pointing towards the tranny. The wire goes up above the tranny and plugs in
there. It is easier to get to the plug by removing the 4x4 shifter
plate/boot and going in thru that hole.
At 09:36 PM 2/22/98 -0600, you wrote:
>Hi all, been hiding as a lurker on the digest for a few weeks, but now have
>a question. Had the transmission replaced and after I picked up the truck
>it runs,,well,,not well. If it idles it hunts up and down,,usually
>progressivly lower and lower until it dies. Occasionally if you try to
>hold a steady rpm level, it will then surge up and down several hundred
>rpm. The wonderful check engine light comes on occasionally after you are
>driving and when I pulled the codes it returned a 21 which according to the
>Chiltons guide is the O2 sensor circuit. On the off chance that they had
>either forgotten to rehook it or it somehow coincidentally came
>loose/became defective I purchased the sensor. Here is where the problem
>arrives.,,,cant find the darn thing! Perhaps my eyesight is going but I
>just don't even see it! If anyone could help me with this problem or have
>another suggestion I would be grateful! BTW,,truck is a 94 CC, 4x4, 318.
>
>
>
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