O2 sensors have a life expectancy of about 65-70K miles. Yes, change out
the forward O2 sensor(s).
- Bernd
-----Original Message-----
From: clhyer@cox.net [mailto:clhyer@cox.net]
Sent: Thursday, May 29, 2008 3:14 AM
To: dakota-truck@dakota-truck.net
Subject: DML: Oxygen sensor
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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