Blake Thornton wrote:

> I need some help.  My van has been hesitating slightly lately and today
> (just after filling up with gas), the van would hardly go down the
> road.  I'm thinking it might be bad gas (and will add some chevron techron
> soon), but its also spitting out black smoke out of the tailpipe.
>
> Now, I thought black smoke meant oil in the combustion chamber, is that
> right?
>
> My only other ideas on the hesitation are vacuum leak (but I've looked for
> one and haven't been able to find one) and idle switch (the little switch
> on the throttle body).  I've checked this switch and it seems ok, but I'll
> probably replace it soon just in case.
>
> Any other ideas?
> Thanks a ton,
> Blake
> SLC UT

Generally, blue-white smoke is oil, and black smoke is fuel. Black smoke means
you have a mixture problem .

John Rodgers
88 GL driver