> wrote in message
ps.com...
> Hello
>
> My 1991 Cutlass goes through gas like crazy lately with no smell of gas
> or apparent leaks. I recently replaced the exhaust manifold and the
> spring bolts do not form a perfect seal. Could this be tricking the
> computer into running a super rich mixture. I have noticed this problem
> a lot more since it has gotten cold in central PA. Thanks for any help
> Bob
>
Sounds like you've diagnosed your own problem. Fit the exhaust
properly. Good luck, s