1998 Mercury Mountaineer "oxygen sensors" Questions

...fuel pump,the pressure is too low,it will soon go out the rest of the way,if it has not already. Oxygen sensor or 0 2 sensor is : po174- Heated oxygen sensor switching slow right side po171-Heatd ...

... Sensor Indicates Lean. If the engine is running smooth then it isP1151 DescriptionA Heated Exhaust Oxygen (HO2S) sensor indicating lean at the end of a test is trying to correct for an over-rich ...

...seems to run rough and sometimes seem like it wanna stall out. My code is P1511 for a bad heated oxygen sensor. Co I have already replaced my EGR Valve. a defective oxygen sensor will make

...oxygen sensor & remove by looseningwith a 22mm wrench or 7/8"Bank #1 right sideBank #2 left sideDo both front upsteam sensors together,not therear monitorsRock Auto.Com --for sensors NTK or ...

which sensor is the lean sensor in bank 1??? Are you referring to the oxygen sensor? If so which one?

where is the oxygen sensor Follow the manifold exhaust and you should have one on each exhaust and if you have 2 convertors there will be two more here. But if your system split, you will only have ...

...oxygen sensor located on a 2003 mercury mountaineer v8? ALL O2 Sensors are in the Exhaust Converters Older vehicles in the pipe before it & on some foreign veh in the exhaust manifold I guess you ...

i got p0171 code chekengine light come on and i got code P0171 Basic oxygen sensor code Google it & read up Sensor may be okey & you have a vacuum leak The vehicle needs to be professionally ...

...oxygen sensors went bad at the same time...not impossible...but unlikely. If the manifold gaskets are worn it could produce a small vacuum leak when cold and you don't notice it because the system is ...

why is my truck failing smog? Failing smog due to Catalyst, Evaporative system, Oxygen sensor and oxygen sensor heater "not ready" What do I do?!!!?? could be lots of things. What yr is it? ...