check the idle control valve not that hard to replace and inexpensive
look for a loose vacuum line.
Your 2000 4.8 liter Sierra might run rough at an idle because of clogged fuel injectors or a clogged fuel filter. You might also have gotten water in the gasoline.
you either have a cracked cylinder head that is leaking coolent into the combustion chamber causeing rough idleing and eventualy total engine failure. to check this pull out the oil dipstick and see if the oil is thin or watered down you either have a cracked cylinder head that is leaking coolent into the combustion chamber causeing rough idleing and eventualy total engine failure. to check this pull out the oil dipstick and see if the oil is thin or watered down
check the overload relay part # 201.540.32.45
Rough Science was created in 2000.
Palmers Rough was created in 2000.
The cast of Rough for Theatre I - 2000 includes: David Kelly as A
check for tune-up. chack mass air flow meter.
Rough Trails was created in 2000-07.
Check the motor mounts. If rough when going from Park to reverse or even when in drive it's possible broken mount is the reason. Had same issue and replaced mounts and no more problems
The cast of Explore Our World - 2000 includes: Harry Anderson
Not running but complete in rough shape, $2000. Very rough shape, $1000.