[V8] Oxygen sensor.

[me me]

it is from a mid 90's explorer 4.0l V6.

There are lots of different ford part numbers for it because there is a 
left and a right as well as different mounting positions and 
connectors. The basic sensor remains the same though.

A bosch 13913 crosses to the V8 application according to a bosch 
crossover document. The 13913 happens to be a 3 wire for a ford. It 
comes with a ford connector.
They all work fine for me.

Dave


On Friday, January 30, 2004, at 12:36 PM, Ed Kellock wrote:

> Dave,
>
> Which 4-wire sensor did you use?  I am using one for the Thunderbird 
> S/C application.
>
> Ed
>
> ============================================================
> From: <dsaad at icehouse.net>
> Date: 2004/01/30 Fri AM 11:56:10 MST
> To: <V8 at audifans.com>
> Subject: RE: [V8] Oxygen sensor.
>
> Bosch owns the patent I believe, and ford motorcraft sensors have 
> bosch along
> with bosch part numbers stamped right on them.
>
> Near as I can tell, there are only subtle differences in any of these 
> type
> sensors. eg: there may be calibrations slightly above or below stoich 
> that a
> manufacturer may want for some reason.
> There are other designs that would not work at all - eg: wideband 
> sensors, but
> all the basic bosch designs switch right around a stoich mixture - 
> something
> like 14.2 to 1. The output is a non-linear voltage that is of little 
> use to the
> ECU once it is out of its narrow band. I think the usual switchover 
> voltage is
> about 0.7 volts.
> Just for the sake of illustration here, say that the usable voltage 
> range is
> 0.6 to 0.8 volts. Anything outside that range is not an accurate 
> measurement of
> mixture. All the ECU knows in that case is "too rich" or "too lean". 
> The ECU
> can then only make incremental adjustments until things fall back in 
> range.
> I believe it is this process that makes the V8 ECU do its famous 
> surge. The
> software in control of adjusting mixture reacts too quickly and 
> constantly
> over/under shoots the target if the O2 sensor is not operating 
> perfectly.
>
> More than you want to know??
>
> Dave
>
>
>
> Quoting "Buchholz, Steven" <Steven.Buchholz at kla-tencor.com>:
>
>>> Final comment ... I got a non-Bosch 3-wire universal OXS from
>>> my BiL's FLAPS a while back and installed it on #344.
>>> Overall I'd say that it works OK, but there is a point a
>>> couple of minutes after a cold start where the engine runs
>>> poorly for 15 seconds or so ... I suspect this to be due to
>>> the ECU thinking the OXS is warmed up when in fact it has not
>>> yet ... I will not install another OXS in the car that is not
>>> made by Bosch and have the same general design as the
>>> standard part ...
>>>
>> ... sorry about the follow on ... I had intended to mention that I'm
>> pretty
>> sure the replacement part was branded "Motorcraft" ... so I suspect 
>> that
>> at
>> least some Ford replacement parts may be the same design ...
>>
>> Steve B.
>> San Jose, Kaleefohnia (USA)
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