I'd say go ahead and just replace them both now. You have both coming in
brand new. Why keep one for a rainy day when you can replace them both and
have the peace of mind knowing they are both brand new instead of always
having it in the back of your mind that the rear one could fail at any time.
brian cropp
-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Tom Coulter
Sent: Monday, May 18, 2009 1:41 PM
To: Dakota-Truck.net Forum
Cc: Jon
Subject: DML: Re: Re: Re: Re: Leaking power steering fluid
Thanks for your notes, Jon, though I wish I'd heard sooner. Based on
Brian's earlier post, I went ahead and visited oxygensensors.com and ordered
BOTH sensors: Walker, for $41.90 (front) and $54.90 (rear). I posted
"Seems like the next step is to replace both and see if the nagging code
clears." and hadn't heard anyone "stop" me. BTW, the local dealer wanted
$110 apiece for each one (MOPAR). All local parts stores carried the
dubious Bosch sensors (oddly, the AutoZone guy agreed w/ the bad karma
toward the Bosch units).
I appreciate your scoping OEM at Wyckoff Chrysler but, as I said, I went w/
the Walker units (they're on the way here).
Interesting that you thought it was only the UPstream sensor. In my earlier
post, I said:
Now let's turn to the Check Engine message I mentioned. I pulled the code
and it's P0132 (O2 Sensor Circuit High Voltage). Sensor 1 & 2 on Bank 1
read "1000V 0% S.T. fuel trim". This strikes me as a possible short.
"Sensor 1 & 2 on Bank 1"
This seemed (and still seems) like TWO sensors, though the error message
relayed to the scan tool may be cryptic.
You said:
If the downstream sensor were doing the same thing you would have gotten a
P0138 code as well.
Very interesting, and you may well be right, but this isn't what I got; only
the P0132 code that, when I went to the test tab, gave the info I listed
above.
Where does that leave us? Install the upstream sensor and see if the code
clears? If it does, hang the other one on a nail for next time?
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