Alan wrote:
>
> Are the tires the same size as the previous ones? Perhaps the O2 sensor
> could need replacing.
> I don't know if the tension on the new belts would make a difference.
>

Well my first thought was to check the engine's timing, both mechanical
timing and ignition timing. However, it could also be related to the tires
if they're sized differently from your original ones or are under inflated.

Eric