Speed_racer
September 10th, 2003, 08:20
'93 xj, 4.0, 90k, should i replace the stock 02 sensor, or is that not an issue on the older ones like this?
bgcntry72
September 10th, 2003, 08:22
Its a good idea, if its not bad, its on its way.
I just did both of mine on my '99 and got some jump back, with some lost MPG.
You only have one sensor, so consider it cheap insurance.
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