Join Date: Mar 2000
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Re: New Wires - Which Plugs?
"AC Delco Rapid Fire" plugs are great! lots of spark, and last a long time, every bit as good or better then splitfire and a little cheaper![img]/wwwthreads_images/icons/smile.gif[/img](around $4 each).
O2 sensor is usually around $30 (what a rip[img]/wwwthreads_images/icons/mad.gif[/img])
Like everyone said when your exhaust is warm, disconnect the neg battery cable, unplug the wires from the sensor, unscrew the sensor, most of them can be removed with a box end wrench (I think yours can be) but they do make some that have a weird "star" looking nut (like 10 sided or something[img]/wwwthreads_images/icons/crazy.gif[/img]), for those you have to buy a special socket, but I seriously doubt you will have that type.
I have only changed one O2 sensor and it made no difference at all, but at least I knew one thing that wasn't bad![img]/wwwthreads_images/icons/wink.gif[/img]
You probably know this, but you should replace your Cap and Rotor! this is MUCH more likely to make a difference, than the O2 sensor.