Good morning. I sent the following a couple days ago but haven't seen it show up in the digest yet? If I missed it, I apologize for the second time around...
Howdy folks,
Getting my '99 Dak ready for a trip from Ga. to N.Y. (Syracuse) the end of June.
While picking up a few parts at Advance Auto I noticed a sign that said "change
your oxygen sensor when you change your plugs".
I am close to 100,000 miles on the truck and have never changed this out. I
looked over the FSM service interval section and it makes no reference to
changing this item out "just for the hell of it"... My mileage has recently
gone down, got 20.3 on a road trip this past weekend when I normally would
expect 22 or a little better.
How about it? Should I change this part out, or wait for the check engine light
to tell me it needs replacing? If it matters, I recently changed plugs, cap &
rotor and yesterday, a power steering hose.
Thanks,
Cal
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