[Vwdiesel] BEW EGR

[Chris Geiser]

Tad,

Mechanic said he checked out the MAF first and that it was ok.  Don't know
what he did, but I believe him as I think they'd be more than happy to zing
me for a MAF if they could have...

CG

**Sent with mobile device.
 On Oct 7, 2011 12:22 PM, "Tad" <tadc at europa.com> wrote:

> Dunno if this applies to 04's, but IIRC on the 99-03 models, a bad MAF
> sometimes resulted in this behavior.
>
> If you have access to a VAG-Com you can do some data loggging to validate
> MAF behavior, or perhaps do a temporary swap from another car... or just try
> plug/unplug the MAF or the MAF fix described here:
> http://forums.tdiclub.com/showthread.php?t=81288
>
> On Fri, Oct 7, 2011 at 9:27 AM, Chris Geiser <cfgeiser at gmail.com> wrote:
>
>> Hi all;
>>
>> TDI question - I picked up an '04 TDI Jetta last spring after I started
>> having oil pressure issues with my '92 Eco - took the dive into the
>> electronic world.  Since purchase, cruise control worked, but wouldn't
>> hold
>> the speed - worse against the wind, with the air on, or up a hill.
>>
>> Took it to dealer mechanic in this area who diagnosed a "sticky" EGR
>> valve,
>> which limits the acceleration and the small acceleration adjustments
>> rather
>> than any problem with the cruise control.  I left there thinking I'd
>> replace
>> that valve myself, however  I noticed that as I left the dealership that
>> day
>> and the next few that the cruise worked and car accelerated better, but
>> within a week or two it slowly returned to losing speed when cruise was
>> on.
>>
>> So I ordered and replaced the EGR valve, and everything worked well.  For
>> about 2 weeks, and now its returning to losing speed on the cruise.  Last
>> night I unplugged / replugged in the electrical connection to the EGR,
>> thinking that like many old electrical connections, maybe something loses
>> contact over a few weeks.  After this, the cruise and car worked better
>> again.
>>
>> So does that sound feasible?  The connector looks good, solid.  There's no
>> corrosion on it.  They're very tiny pins, so hard to tell if I could bend
>> the surrounding slot sides in to get better contact.  Anyone else run into
>> this, or have another thought?  Anything else that might be making the EGR
>> goofy that I should check?
>>
>> Thanks for any feedback!!
>>
>> Chris
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>
>