Need help with a 1.8T problem

[Scott Sierakowski]

Almost sounds like a coil pack issue.  I'd try to find a enthusiast
local to you with their own vagcom.  Might cost you a 6-pack but well
worth it.  Now you ask, how do I find such a person.....
http://www.steve-hall.com/cgi-bin/VAG-Locator.pl

Good luck,

-Scott



On 5/12/06, Michael McLaughlin <mcloffs at mac.com> wrote:
> I have a 99.5 A4 1.8T Avant Quattro that's been having some
> drivability issues. It first manifested itself as what felt like a
> really bad misfire. The car would stumble under load, and slowly got
> better. The first time it did this it cleared itself up and was fine
> for about a week. It did it again, mostly cleared up and then started
> doing it pretty much all the time. It never lit the check engine light.
>
> I took it to my mechanic, who pulled codes and found one about the
> long-term fuel trim. He replaced the MAF, which fixed things
> initially (and he said the MAF numbers on the VAG-COM were fine) but
> it slowly got worse. Now the misfire isn't all that noticeable, but
> it does stumble a bit under load. What is very noticeable, though, is
> that after the condition returns the car feels like it's really low
> on power. It won't accelerate much above 3,000 RPM and going up hills
> on the highway, for instance, has become a challenge. It also tripped
> the CEL.
>
> We took it back, he swapped out the MAF for another one (seems like
> they have a high failure rate) and also found a very slight intake
> leak, which he fixed. Same story -- car feels great at first, then
> slowly gets worse, doesn't like to accelerate and trips the CEL.
>
> A couple odd things -- every time the CEL has come on it's been just
> a few miles since filling the gas tank. Also, the two initial times
> where it felt like a misfire developed were also within about 15
> miles of getting gas.
>
> It's going back to the mechanic Monday. Any suggestions from the list
> about other things to check out? Or did we just happen to get two bad
> MAFs in a row?
>
> Thanks,
> Mike
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