P/N and part sources for Air Temp Sensor (on IC) for '89 200Q

[james accordino]

I can't find the p/n right now, but VM Autohaus has
them.  I think around $80-100.  Maybe as much as $120.
 They didn't currently have one and I passed.  Kind of
glad I did.  I was getting intermittant code and check
engine light.  When it goes "bad", the power dropped
horribly.  Like you threw an anchor out the window.
And it should throw the check engine light every time.
 Anyway it wasn't the sensor.  The wiring was still
connected, but not a sound connection.  By wiggling
one of the wires I could reproduce the fault.  Rewired
the connections (I used terminals) and have had no
problems since.  Also, Chris Semple can send you one
he can test off another car for a small fee.  I
believe that due to the high cost and low availablity
of this part that they are NOT a common failure item.
I think the wiring connection gives up.

Jim Accordino

 --- Larry C Leung <l.leung at juno.com> wrote:
> Hello Listers:
>
> After trying to diagnose my 200's stumble yesterday
> on a cool damp day,
> lister Taka M and I couldn't find the problem. Car
> idled well, and ran
> strong,
> with just a slight stumble likely to be caused by
> the known (based on a
> 2342
> ECU code) bad Oxy Sensor. So, today, a moderately
> warm, sunny slightly
> humid day the car, well stumbles and didn't want to
> start when the car
> was
> warm (at least the kind of warm that a car sitting
> in the sun all day
> gets).
> Since the MF Sensor and water jacket temp sensor
> (the one in the head
> flange that's NOT the MFS) are new, the only other
> temp sensitive device
> I can think of is the air temp sensor mounted in the
> IC US passenger
> side end tank near the top and MM hose connection
> (yeah, I know, this
> has been brought up before by a few of you,
> including Taka). Anyway,
> I could use help from someone with a Family Album
> for the P/N and some
> good part sources if possible.
>
> Thanks in advance to the list, this car would be
> unmanageable without
> it...
>
> LL - NY


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