[Shotimes] Re: (OT) clogged EGR tube or bad valve or bad sensor?

[Paul Nimz]

I would disconnect the EGR valve from the tube, start the car.  You will
know then if the tube is clogged by the load pressure waves and hot gasses
emanating from the pipe.  :)

Paul N


----- Original Message -----
From: "Joseph van Oss" <vanOss@centurytel.net>
To: <shotimes@autox.team.net>; "TechSHO" <TechSHO@topica.com>
Sent: Sunday, October 13, 2002 4:15 PM
Subject: (OT) clogged EGR tube or bad valve or bad sensor?


> Sorry for the OT post.
>
> My wife's 94 Crown Vic (4.6L SOHC) has EEC-IV like a SHO.  Check-engine
> light is on continuously after a couple of minutes driving, no matter the
> conditions.  KOEO yields code 332.  According to the manual with the code
> reader, 332 = "Insuffiecient EGR Flow Detected."  That sounds like clogged
> EGR tube.  According to SHOtimes.com, 332 = "EGR valve opening not
> detected."  That sounds like a vacuum problem or a bad EGR valve.
>
> The EGR on a 94 DV apparently the DPFE (differential pressure feedback)
> type.  The EGR valve/tube looks hard to access, the DPFE sensor rather
easy.
> Torry says DPFE sensor is $70.  I don't want to blow $70 on ruling out the
> sensor, and I'd rather not hassle with the EGR tube if it's the sensor.
>
> Can anyone tell me odds on this?  Any advice on tests, or what to try
first?
> Thanks.
>
> Joseph van Oss
>
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