'87 5000 tqa check engine light = code 2322 = intake air sensor =questions

[sherrow at westol.com]

I think the intake air sensor is at the union of the michelin man hose and 
the intercooler IIRC. If you remove the m/m you'll see what looks like a
resistor wired out to a connector.

Original Message:
-----------------
From: tom winter tom at freeskier.com
Date: Tue, 22 Feb 2005 08:11:58 -0600
To: quattro at audifans.com
Subject: '87 5000 tqa check engine light = code 2322 = intake air sensor
=questions


Hi all - Subject line says it all. The problem is I'm on the road and don't
have my Bentley manuals with me.

Check engine light only comes on at about 1.1 bar and goes off if I take my
foot off the gas or go lightly on it. The car is chipped, pulls 1.9 bar and
if I hammer on it, I sometimes feel a slight bogging down or lagging after
the "check" light goes on (1.1 to 1.2 bar). Other than that, the car drives
and runs well. I only have the problem under load and only if I'm aggressive
on the gas pedal.

Pulled the codes, got 2322, "intake air sensor bad" or "intake air sensor
wiring defective." (I happen to keep a print-out of codes in the glovebox,
so the missing Bentley didn't slow me down here).

Do my symptoms sound like a bad intake air sensor? Where is this sensor?
(LOL!). Should I stop driving immediately until I fix it or just drive like
my mom, nice and easy?

I'm going to make some calls to check on prices for this part.

In the meantime, thanks in advance for all your help and advice.

Tom

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