Intake Air Temp Sensor

[Bernie Benz]

Disconnect the sensor for awhile, such that the ECU will begain to
appreciate your sensor.  Don't baby it!

> From: "Derek Pulvino" <dbpulvino at hotmail.com>
> Date: Tue, 28 May 2002 13:21:41 -0700
> To: 200q20v at audifans.com
> Subject: Intake Air Temp Sensor
>
> 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, and
> at the ECU harness end, resistance comes back within spec.  Notice the check
> 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.
>
> Tried today to check resistance at both ends of the connections (sensor and
> ECU) when the check engine light was on, and again resistance was fine.
>
> Car is getting a max boost of 1.5 as per the dash gauge, but mileage does
> not seem to be suffering (overall average of around 20-21 and still seeing
> 26ish on freeway continuous).  Connections at the temp sensor do not appear
> frayed, and are still soldered/spot welded as per factory, and the spring
> tension at the ECU connector seemed fine as well.  Also can notice some very
> subtle surging on acceleration at a given throttle position, whether from
> timing or boost changes don't know.
>
> Does anybody know where the sensor attaches to a ground, or for that matter
> have any other suggestions?  On a different note, I'm also going to check
> for vacuum leaks this week.
>
> Derek P
>
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