2005 Buick LeSabre "replacing o2 sensors 2003" Questions

O2 sensors? I found one directly behing the spark plugs on the back. po420 and p0102 The O2 sensor (2 on V engines) are in the exhaust system pipes before the catalytic converter, the next sensor

...o2 sensors front up an down, my check light came back on an reading p420 cat..... I have now have a leak inmy manifold intake gasket, any suggest? please im so stress Take it back to who ever is ...

spark plug. Auto Zone has O2 sensor and they can give you the step by step instructions to replacing the O2 sensor with common tools and if you need a O2 socket, they can give you one as a loner. 

...the downstream oxygen sensor on 2003 KIA RIO O2 sensors in general are not "cleanable". If they have failed than they are typically replaced. Do you have a code for an O2 sensor? If so whats the

2003 cavalier ls 2.2L show engine code p0141, O2 sensor replaced, no problems found in the wiring. Now what? 2003 cavaleir with code po141. this codes is saying o2 heater , so yes if sensor wiring is ...

...2003 what are the codes P 0135 and P0234? Code P0135 - Oxygen O2 Sensor Heater Circuit Malfunction (Bank1, Sensor1) P0135. Turbo boost pressure too high. O2 sensor heater malfunction: ...Check all ...

2003 suburban It is the o2 sensor itself replace 02 sensor. Keep in mind you have four of them. the computer will tell you which one has the fault example. bank 1 sensor 2 If I can help anymore please

...o2 sensors on the vehicle? Obtaining a reading from its computer (failure code) will not tell you exactly which sensor is faulty. In fact, no device currently that I know of will give you an error ...

...o2 sensors monitor these two banks 2003 chevrolet silverrado v 8 5.3L There are only 2 banks in the engine. That means that if it has 2 O2 sensors they may both need replaced. .....More than likeley ...

...2003: P0155 this code is oxygen sensor heater circuit range/performance(bank2,sensor1) the ECM detects the heated oxygen sensor internal resistance is not in specs for 6 seconds code sets disconnect ...