Question about 1995 Mercury Grand Marquis
I need to replace the oxygen sensor but have no idea where it's located, Thanks
#3 - Under vehicle, passenger side, below seating area, mounted in exhaust pipe in rear of catalytic converter
#4 - Under vehicle, driver side, below seating area, mounted in exhaust pipe in rear of catalytic converter
In either case, it is mounted on the rear side of the Cat.
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Posted on Feb 21, 2009
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Posted on Jan 02, 2017
Ther are at leat 3 and maybe 4 o-2 sensors in that particular truck...one on each exaust pipe coming down from manifold...and one after convertor on each bank....Pass.side before convertor is bank one,sensor one ..behind convertor is bank one sensor two..drivers side before convertor is bank two,sensor one...behind convertor is bank two sensor two(If equipped with four....scan will tell you which one is bad....good luck..lee
Posted on Mar 28, 2009
If I am not mistaken bank one should be your driver side. However your sensor one will be before the cat converter. So you just have to find the o2 sensor before the cat converter on the driver side. Good Luck.
Posted on Oct 12, 2009
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