[Vwdiesel] Bad maf on 2000 vw tdi

[Tad]

The symptoms don't sound like MAF... the MAF code could be a symptom rather
than a cause.

If unplugging the MAF doesn't help the smoke and rough idle, I'd suspect
the EGR.  (it shouldn't drive "normally" though, maybe 80% power and less
top-end)


On Tue, Dec 18, 2012 at 7:20 AM, Stephen Kraus <ub3ratl4sf00 at gmail.com>wrote:

> Unplug the MAF, it should drive normally until you can get a new one.
>  On Dec 18, 2012 6:36 AM, "Chris Jude" <vegbenz300 at gmail.com> wrote:
>
> > Hey y'all,
> > I've had a couple strange things with the jetta this week. This morning i
> > was noticing a turbo hesitation, in 2nd gear around 3000rpm the car would
> > hesitate before the turbo kicked in. Then, this afternoon when i started
> > the car, it idles fine and then when i hit the throttle to go in 1st it
> > would grumble and smoke, then stalled. It did this a couple times till
> the
> > engine warmed up some, and now it seems to run alright, but the check
> > engine light is on. I'm running the same piedmont biodiesel fuel as
> always,
> > and am about 8500 miles into the last oil change.
> > I stopped by advance auto to check the cpu, and a mass air flow code came
> > up.
> > When i start the car now, it idles rough till it warms up, blowing some
> > blueish smoke. The check engine light comes on after 10-15 seconds.
>  After
> > warm up it runs alright, but the turbo seems to not kick in.  I can still
> > go highway speeds though, just takes longer.
> > Wanted to see if anyone had any advice, we were planning to drive to
> > atlanta this weekend for christmas.
> >
> > Chris jude
> > 2000 VW Jetta TDI - 238K miles
> > Pittsboro, NC
> >
> > Sent from a mobile device, pardon any poor grammer
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