my repair shop says my oxygen sensor (87 gl 2.1) is getting lazy and should
be replaced.... I asked how much does that cost and they told me $200. I was
checking busdepot and they have bosch oxygen sensors for $39. I guess that
is a huge incentive to install my own. Is it hard to do? what do I need to
do afterword? I just got the repair shop to set my timing and adjust my
valves.

thanks for any tips on replacing it.

ed

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