96 Jetta Engine light flickers

[DAS914]

Hello all.
While driving to Florida, my check engine light came on for the first time. I was travelling about 80 mph and going up a steady grade (for 20 to 30 seconds) when I noticed it. I took my foot off the gas and the light went out. The light continued to come on under similar conditions for the whole trip. Curiously it always went off when I took my foot off the gas, and did not immediately come back on even on the steady grade. There was no loss of power, I got fantastic mileage and there was no other associated problem. Went to the dealer, who is at a loss for an explaination. He even scanned the car twice.
Any suggestions would be greatly appreciated.
Thank, Mike

[nicoleos]

Hey i have the same EXACT problem. I posted about it with "flashing check engine light." Boschmann said that i might have a hole in my intake pipe somewhere. There is nothing mechanically wrong, just something stupid. Havent figured it out yet. Gotta get the obd II reader and fix it accordingly.

[boschmann]

There should have been a code stored, I don't know why they may not have wanted to tell you what it was. It shouldn't erase except after alot of ignition cycles w/o the problem. You can have the code read for free at most Autozone & some Advance Auto Parts stores or whaterver you might have up there, but they don't have quite as specialized a scanner as VW.

[DAS914]

Hi Boschmann
VW dealer is a personal friend. Checked for a code, there wasn't one stored. Only seems to happen under the "going up a sustained grade at 80 mph". Klaus told me not to worry if the performance wasn't effected.
Any other ideas???
Thanks, Mike