Drollomite Man

Have had several instances now where my 3.2 will completely lose power for a beat or two, then resume acceleration. This is not the typical 3.2 pause or hesitation while the DSG decides what to do, but a very sudden drop-off for a second or two. There's absolutely no response to the accelerator during these "blackouts," unlike the usual times when the car is simply slow to downshift but still feels connected to the accelerator. These incidents are very intermittent, and the dealer can't find anything amiss. Anyone else have similar experiences?

GorTT

is your car stock, etc...

Drollomite Man

Stock '05, 33k miles. In all other respects, the DSG seems to perform as others have described.

Kenghh

does it happen in low speed or high speed? When the power drops, does your engine rpm changes at all?

I don't remember having anything like that on my car.

beaTTnik

I had that happen once, just like you describe. I had noticed some subtle throttle hestiations previously, but then the throttle just cut out, without stalling, and this lasted for a couple seconds before kicking-in. Immeadiatly after that occurance, my brake lights were on constantly (even when the car was off), and acceleration was weird to say the least, it sort of hesitated a bit then kicked-in harshly, but I was able to drive the car to the dealer. Turned out the brake switch was bad, which makes DSG think you have the brakes on and thus it acts stangely. The dealer replaced the switch and it has been fine ever since.

Mendez

Oxygen sensors? Had this problem with A3 3.2

Drollomite Man

perhaps I'm experiencing signs of impending failure. The symptoms are identical to what I felt. The brake switch is such a cheap part, you'd think the dealer would just go ahead and replace it.

beaTTnik

the brake switch is a part that should be over-built from the start, but I suspect it's from a part bin. at least with dsg, failure could cause a serious accident, such as if power loss occured pulling out into a gap of moving traffic. I'm not sure if the new one that was installed was improved, or is just as prone to failure, but this type of issue causes lack of confidence in the car.

On the other hand, I've had few other problems (mostly rattles and minor annoyances, plus an early issue with the dealer-installed tracking system shutting down the car). DSG is still going strong at 35K.

johnkk

I had both EGT's fail. Replaced the passenger side EGT(easier) and ran jumper wires from the passenger sensor to the driver side wiring to the computer. Net, one good sensor fed both sides to the computer. Putin will resign before this kluge fails and I saved $$$.

inliner311

Sounds like a crank position sensor going bad. My 2.7t S4 would do the same thing. For me it kept getting worse until the car would stall and not restart for 10-15 minutes. Check it with a vag com.