"george" > wrote in message
news
> I've a 2001 c5 and started having this problem also in the last few
> weeks, also check engine light comes on for a few days then goes out then
> a few days later starts again, related?

May be, have you had the dealer re-program it for the new fuel formulation
and the cleaner run through it?

--
Dad
05 C6 Silver/Red 6spd Z51
72 Shark Black/Black/4spd