Nope you got less oxygen and so less power at altitude.  I forget the exact
figures but you lose a bunch of HP at 8000 feet.

Mike

> From: Aaron Reams <aaron@INTERVAL.COM>
> Reply-To: Aaron Reams <aaron@INTERVAL.COM>
> Date: Mon, 11 Mar 2002 10:47:57 -0800
> To: vanagon@GERRY.VANAGON.COM
> Subject: Loss of power at altitude
>
> Hi All,
>
> Over the weekend my vanagon was experiencing a noticeable loss of power when
> I was in the mountains.  The altitude was around 8000 feet.  At sea level,
> she was back to normal.  This is the second time I've take her to the
> mountains and experienced this.
>
> If I were to guess, I would think this could be the oxygen sensor
> malfunctioning and thus the fuel mixture is not lean enough.  Does that
> sound right?  Anything else that it might obviously be?
>
> Thanks in advance!!
>
> Aaron
> -85GL
>