An other than competent mechanic could easily put the timing belt on
one-tooth off. Have a talk with the manager/owner. What exactly was
done with the tuneup? Changed spark plugs? Valve adjustment?




On Nov 22, 11:35*am, "K J" <k...@killjoy.invalid> wrote:
> I just had the the 3rd timing belt replacement on my 94 Accord LX and
> noticed about 10-15 % lower gas milage after it though the car runs
> smooth. I estimated this by noticing how many miles I could drive from a
> full tank till the guage touches the Empty mark. It used to be around
> 330 miles, now it's around 290.
>
> First I thought this might be due to perhaps a different, less efficient
> gasoline mix they are selling during the winter season in my state, but
> when I heard a Accord Ex owner on a local auto show calling in with
> virtually the identical issue (lower milage after a timing belt change)
> I started wondering if this is something more common. I's strange
> because, if anything, I would expect a better milage after such a major
> maintenance that includes a tune-up as well. The radio show host did not
> really have a good answer and I wonder if any of you have heard about
> this issue before.
>
> KJ