[Vwdiesel] While I had a VAG COM...

[Tad]

I think that as long as the injector smooth running numbers aren't
significantly different from each other, all is normal.




On Thu, May 28, 2009 at 11:26 PM, <LBaird119 at aol.com> wrote:

>  Dad's Passat has lurched/surged pretty badly ever since we chipped
> it.  Pretty much any time it's below 1,600 RPM and not accelerating
> or decelerating.  25 MPH is borderline a 2nd gear occasion.
>  I had instructions to take the 13,xxx number in the settings thing
> and drop it by 100 to start with.  Did that and Dad said it's a whole
> new car!  He's happy, even though the Golf doesn't start.
>  I have the same problem only very lightly so, I went to do the
> same thing on mine.  Got into the section though and it only
> had 87 as the number.  The mg/stroke had been 2.2 on Dad's
> and it upped it to 3.4 - 3.6.  Mine was sitting at 9.7 or something
> like that!  Hmmm, didn't want to add MORE fuel, which is the
> "solution" so I started increasing the number to try and hit something
> close to the number that worked for Dad's car.  I got to 132 and
> that was the end.  It got down to 3.6 - 3.8 which took the fuel
> consumption from .74l/h to .34l/h or something about that.  Quite
> a change!  It smoothed out the stuttering or "shudder" as well!
>  Odd thing is there's a section with injector compensation for
> "smooth running."  I figured that would show a bad injector if one
> number had much compensation on it, which mine did, all negative.
> So, I rechecked Dad's and it had basically the same thing only they
> were all positive numbers.  Guess it doesn't do what I was thinking?
>  Couldn't find where to bump up the idle either.  So much to do and
> so few access codes!
>     Loren
>
>
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