How to replace the back up sensor?

A while back, I asked about a check engine light on my truck, a error code P0134 (link to earlier question: http://answers.yahoo.com/question/index?… The overwhelming response was to replace the O2 sensor and be done. I've done additional research...

The code that keeps showing up is for bank 1 sensor 2, which is the oxygen sensor located in front of the Cat. I replaced the sensor first with a universal bosch sensor and the light still came up, then I put an OEM bosch in thinking faulty/weak connection...

Do I Just Change The Sensor Part Or Do I Have To Replace The Valve Aswell? Because I Was Told To Replace The Tire Sensor Becausr It Was Bad So I Did But When I Took It To The Dealer To Get The Tires Relearned They Said Something Was Still Wrong. Could...

Okay so I need to replace sensor 1, bank 1. The problem I'm having is with where sensor plugs into .. it's like a black little thing and I can't get it to release the o2 sensor that is in there .. it's like the plug is mounted on this little black thing...

I went to autozone, and my o2 sensor is gonna need replacement. How much do you think a mechanic will charge to replace a o2 sensor on a 2001 bmw 330i sensor.

Hi, I'm trying to replace the wheel speed sensor on the differential on a 2001 dodge ram 1500, standard cab, 2wd. the ABS light is on and i have a friend told me that changing the sensor will help. I have the sensor, and know that it's probably somewhere...

My car stalled going up a driveway, and now the car will not start. The engine will not turn over, doesn't crank. My battery is fine. I looked online and found that this camshaft sensor is a common problem on my car? How do I know if I should replace...

How would you locate the speed sensor on a 1997 cirrus? And how would you change it? The person who sold me the car said that is all it needs, and its only 17 bucks. when i drove the car home it seemed to stay in just one gear, or like i almost stalled...

I bought a 1999 Lexus Es300. this has been a hell of a week. Everytime my mechanics, who work at the place I bought the car give me my car back, it drives fine until I get on the freeway and then all hell breaks loose... Finally the 4th time they gave...