[s-cars] A4 back on the road

[Joseph Pizzimenti]

Taka,
You suck.

Torque those plugs every oil change,
whatsamattawitchu?

K04's probably your best bet, I think MTM has good
programming if you're sick of Garrett's hack job.

Joe

--- TM <t44tq at mindspring.com> wrote:
> $2700 later, the A4 is back on the road.
> 
> Short recap:
> 
> '99.5 A4 1.8T
> 
> Coming off the highway, car seems to vibrate,
> thought I had a flat
> tire, so I go to look for a safe place to stop. When
> I try to
> accelerate,
> the car does not want to accelerate at all, engine
> is obviously not
> running correctly. So I pull over, know that the
> engine is not even
> idling
> correctly so I shut it off. No flat tire, purely an
> engine problem, at
> this
> point, I'm thinking I have a bad vacuum leak or bad
> coil pack causing a
> poor running condition.
> 
> Have the car flatbedded to the local Bosch Service
> Center, find out that
> the spark plug in cylinder 1 had disintegrated,
> electrode shot into the
> cylinder, traveled from cylinder 1 to 2 to 3 to 4,
> found the electrode
> in
> cylinder 4. Plug was loose in cylinder 1, for
> whatever reason, maybe
> that
> started this whole process.
> 
> No codes except for the misfire from the
> disintegrated plug, no warning
> of
> this whatsoever. Pulling the head, the head around
> the exhaust valves of
> 1 and 4 were badly beat up by the electrode flying
> around inside, had to
> have
> the machine shop clean that area up, top of pistons
> 1 and 4 appeared to
> be
> shot-peened. Very minor damage in cylinders 2 and 3,
> fortunately. The
> turbo
> impeller got nicked, but didn't lose any blades,
> we'll see if the turbo
> will
> last.
> 
> Any suggestions on how to prevent something like
> this from happening
> again?
> I'll need to consult my tuner for any engine
> management issues- running
> lean,
> running the injectors maxed without any leeway for
> error, too aggressive
> timing,
> etc. We're running 93 octane on the east coast, so
> at least I don't have
> to worry
> as much about low octane gas. If the turbo is toast,
> I'll be going to a
> K04 with
> larger injectors and new software, unless there is a
> similarly priced
> low budget
> alternative.
> 
> Taka
> 
> _______________________________________________
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