no oil or low oil pressure
No, a wheel bearing should not set off a low tire pressure light in a 1999 Oldsmobile Alero.
this is more of a guess than definite, it is probably the low fluid light or failure do to low pressure in the line, abs does come into effect that year and could be involved as well
Where is the low pressure side AC port on 2006 jetta 1.9 TDIRead more: Where_is_the_low_pressure_side_AC_port_on_2003_jetta_1.9_TDI
The 1991 VW Jetta low pressure port can be found on the air conditioning compressor. There are two ports, the low pressure port will be labeled as such.
bad oil pressure sending unit
Your 2001 VW Jetta low pressure port can be found on the left side of the air conditioning compressor. The low pressure port is for recharging the air conditioning.
The oil pressure light will reset on it's own when your oil pressure is good. As long as it is lit you oil pressure is too low and you should stop running the engine as soon as safely possible.
If you are speaking of the AC low pressure switch, It is behind the passenger side head light on top of dryer!
It means you need to add oil that your oil is low
OIL level low, dirty oil filter.
The 1999 Ford Ranger low pressure air conditioning valve can be found on the air conditioning compressor. The low pressure valve will be labeled as the low pressure port.