check the oil, maybe use synthetic and a good filter. I use Mobil synthetic
and filter (don't yell at me I'm just telling you what I use).
I would also switch to a synthetic in the manual transmission.

good luck
"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.
>
>