I don't think the leaking power steering fluid had anything to do with your
O2 sensor failure as the two aren't even close together. As far as the
power steering pressure switch, I've never seen one on a Dakota. Not saying
that certain model years didn't have it, I've just never seen one. It could
be a fuse, but if the fuse was bad then all your O2s would be failing. And
some model years didn't have O2 sensor fuses either. You might just have a
bad sensor or two. If you've never changed them, it will only benefit you
in performance to put in new ones. Just don't buy the Bosch O2s from the
parts stores. Have heard of several having problems with them right out of
the box.
brian cropp
-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Tom Coulter
Sent: Sunday, May 17, 2009 1:30 PM
To: Dakota-Truck.net Forum
Cc: David Gersic
Subject: DML: Re: Re: Leaking power steering fluid
Thanks for your reply, David. Having just replaced the pressurized line, I
must now say that I see no wires anywhere in the vicinity of the p/s pump.
I therefore wonder why I read about a p/s "pressure switch". Seems logical
that there would be one, but I see no wires.
As for the O2 sensors, what you say confirms my suspicion and makes sense,
of course. But as w/ the comment above, I see no wires ANYWHERE in the
vicinity of the pressurized line. Just along the top of the plastic shroud
(below the radiator) is a bundle of wires in a corrugated sheath; but these
wires appear to be associated w/ the front lights.
So here's a dumb question: Where pray tell are the O2 sensors?
Meanwhile, I'll check the fuses (presumably in the Power Control Module).
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17:05:00
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