My opinion is that it is not likely your choice of oil. Something else is
not quite right with whatever you did.


"Frank Matthews" > wrote in message
...
> Hi,
>
> yesterday 'cause I have to go through inspection I changed plugs, pcv,
> and oxygen sensor, and added a quart of oil... 10w-40 (usually calls for
> 10w-30)... drove it out to mom's... fine... on the way home the
> "service" light comes on... all the connections seem good and it seems
> to run fine... is this just the result of the 10w-40 bumping up the oil
> pressure a bit and I should just change back to 10w-30 immediately? or
> more serious?
>
> ttyl
>
> Frank
>