2003 Mercury Mountaineer "o2" Questions

engine light on, vehicle usually won't start. engine light code is o2 sensor the vehicle will only OCCASIONALLY start. engine light diagnostic done and came back with an o2 sensor replacement ...

o2 sensor replacement The o2 sensor is normally located on the exhaust downpipe near manifold make sure the correct socket or spanner is used so not to damage to the sensor unit.Be warned it is not an

How to replace o2 sensors? Get an o2 sensor socket from napa about ten bucks unscrew them put new ones in there located before and after the catalytic convertor on the actual exhaust pipe

how many o2 sensors are in a mercury mountaineer 2005 What engine , 4.0 l or 4.6 L one is a six cylinder an other is a eight cylinder. Doesn't matter , both engines have four ! Has two catalytic ...

My 98 5.0 Mercury mountaineer will not pass smog I replaced bank 1 O2 sensor, I cleared the DTC but I keep getting P1000 continous OBD system readiness test not complete even after driving it for over

a free downloadable service manual or repair manual so I can tell the location of the o2 sensor that went bad on my 1998 mercury mountaineer you don't need the manual just follow the exhaust manifold ...

...quite a few miles for the build-up caused by the rich mix to burn off. The wires going to the new O2 sensor are also important. The O2 sensor has a heater in it to quicken the change to a lean fuel ...

...like a diesel engine now. Not sure what the problem is but I do know that either my inbound #2 O2 sensor is bad and if thats not it its the cat converter. But yeah, engine sounds like a diesel. ...

...that didn't help. Fuse blows when you turn on the lights or interior lights. Try disconnecting the O2 sensors (4 of them) and see if the short goes away, if it does plug them in one at a time until ...

...v-8 AWD with "check engine " light on. took it to Autozone and they analized to be a bad o2 sensor, Bank 2, sensor 1. What is the exact location of this sensor? I believe there is either 3 ...