trish

:roll: I run a mail route with my blazer,it runs fine in the
morning,but after I go about 80 miles it will bog down and buck,you
can smell gas,if you turn it off and back on will resume as normal,I
put on a new fuel pump and filter,no one knows what it can be,it has
been on a machine but picks up nothing,I need help!!!

--
Posted at author's request, using moderated http://www.AutoBoardz.com interface
Thread archive: http://www.AutoBoardz.com/1998-chevy...ict248334.html

miller

The smelling of fuel is an important clue.

On my 97 4.3L there is a fuel pressure regulator under the intake
plennum. The diaghrphram ruptured and I could smell fuel, truck would
run rough but restart. While this is not common, it does happen. They
were able to fund it with a pressure tester. The repair was as I
recall several hundred. But this is only a guess.

pete c.

Actually it is sadly common to have a failure of the CFI "spider", and
it is a bit expensive to replace.

rick cooper

you write like a 2 year old

http://www.AutoBoardz.com/1998-chevy...ict248334.html

what about water in the gas tank? or the gas cap isn't letting air in.