Ditto,  just went thru this same situation, installed new O2 sensor,
no problema since.

YMMV,

Tom B.-O2 or not O2, that is the question

On Jan 23, 2007, at 7:17 PM, Loren Busch wrote:

> Chris, although I assume there can be many causes or combinations
> of causes
> that will cause those symptoms they are absolutely identical to the
> problem
> I had that was caused by an injector that was providing way to much
> gas.  O2
> sensor saw the gas, leaned out the other three.  This was
> complicated by a
> miss adjusted throttle switch, a small part of the problem.
>
> On 1/23/07, Christopher Gronski <gronski@gmail.com> wrote:
>>
>> Volks,
>>
>> My van is exhibiting weird behaviour. When I pull away from a stop
>> and
>> put my foot on the gas the van lags and the revs will not pick up.
>> Moreover my milage has dropped to about 200km / 120 miles per tank
>> full.
>>
>>