Intake Air Temp Sensor

Derek Pulvino dbpulvino at
Tue May 28 14:44:17 EDT 2002

Tried something like that the other day with carb cleaner, and I noticed the
check engine light didn't come on for the day, but the next day...

I'll try again though with alchohol


>From: Peter Schulz <peschulz at>
>To: "Derek Pulvino" <dbpulvino at>
>CC: 200q20v <200q20v at>
>Subject: Re: Intake Air Temp Sensor
>Date: Tue, 28 May 2002 16:37:57 -0400
>Remove the sensor from the intake manifold and you will probably find a
>bunch of "gunk" on it.
>Carefully clean it with a soft brush and some rubbing alcohol and
>(careful as this is a $100 dealer only part  ;^)
>BTDT - and no more sporadic faults
>At 01:21 PM 5/28/2002 -0700, you wrote:
>>Hey all,
>>Been getting a fault code for the above for some time now and hoping
>>somebody might have some input.  Fault code comes back consistently after
>>clearing the codes, however when checking resistance both at the sensor,
>>at the ECU harness end, resistance comes back within spec.  Notice the
>>engine light coming on intermitently while driving, and as the only fault
>>code ever stored is for the temp sensor, I assume check engine light is
>>illumnating when a fault is sensed.
>>Does anybody know where the sensor attaches to a ground, or for that
>>have any other suggestions?  On a different note, I'm also going to check
>>for vacuum leaks this week.
>>Derek P
>Peter Schulz
>1990 CQ
>1991 200 20v TQW indigo mica
>1991 200 20v TQW titanium grey
>Chelmsford, MA USA
>peschulz at

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