What are o2 sensors on a mercury sable 2001?

Does 1992 s10 have throttle body or carburetor? Where is the heater inlet hose located on a 1994 Ford Thunderbird 4.6? How does a water pump leak internally with no signs of leaking on the outside how do you know its not leaking on the inside now signs of a leaking headgasket or a heater core 98 sunfire GT 2.4L? What Does Emissions code P1652 on a 1997 Pontiac Grand Prix mean? 1991 Ford Ranger location of Transmission Control Solenoid? My 1998 Chevy s10 was sitting for years when i got it it started fine the next day it barely started and shook like crazy now it runs smoother but still shskes a little and blows white smoke? What safety features did 1950 ford have? Why does your 85 suburban with a 454 hesitate on acceleration? Where is the front blower motor resistor on a 2001 Dodge Grand Caravan? What country was the song santa is coming to town orinated in? 95 talon that the intercooler keepsfilling up with oil-turbo does not appear to be working where do you look first? How do you change the starter on 97 Toyota 4Runner V6 Contacts or whole starter? How do I install negative battery cable for 2000 Ford escape do I have to go to the starter or can I just attach it to the frame or engine block? What could be the problem if you hear squeaking and smell a hot smell while driving your 01 Jaguar XKR Convertible? What color wires go to ford explorer fuel pump? CAN you SHOW ME A PICTURE OF A STRUT? On my 2003 Chevy suburban the wiper blades don't stop when you turn off the switch? How do you put the actuator rod back into the ignition switch? What is the drivetrain warranty on the 2010 Ford Transit-Connect? How do you set clock in 2011 Ford Focus E?