"Teem" > wrote in message
news
> My salesman told me to use only 87 octane grade fuel,the on board
computer
> is calabrated for that fuel only,does 87 have cleaners in it?,I did
pour a
> fuel treatment in about 2 months ago,the vibrations stopped when
idling,I
> have a 5 speed & should be able to' punch it' now & then.
>
>

Yes, 87 octane has cleaners in it.

Ken