98 ranger 02 sensor
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Joined: Jan 2004
Posts: 13,851
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From: SW Va
P0153 says that the computer is unhappy with the drivers side bank 2 upstream O2 sensor switching speed, that it's slow & lazy & that comes with age, sorta like pawpaw!!!! lol
Anyway if these are the OEM O2 sensors, or they have 100K miles or more on them & you choose to change the bank 2 sensor, also consider changing the bank 1 upstream sensor, so you have a matched pair. The computer would appreciate that!!!!
While your servicing the O2 sensors, be sure to pull the B- battery cable, to wipe the computers memory, so it knows the repair has been done & can begin to rebuild new fuel trim tables, using the new O2 sensors input.
Also be sure to put some high temp nickel anti-sieze compound on the O2 sensors threads.
As a side, you may notice improved mpg with new O2 sensors.
More thoughts for consideration, let us know how it goes.
Anyway if these are the OEM O2 sensors, or they have 100K miles or more on them & you choose to change the bank 2 sensor, also consider changing the bank 1 upstream sensor, so you have a matched pair. The computer would appreciate that!!!!
While your servicing the O2 sensors, be sure to pull the B- battery cable, to wipe the computers memory, so it knows the repair has been done & can begin to rebuild new fuel trim tables, using the new O2 sensors input.
Also be sure to put some high temp nickel anti-sieze compound on the O2 sensors threads.
As a side, you may notice improved mpg with new O2 sensors.
More thoughts for consideration, let us know how it goes.
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