Question about 1988 Ford Ranger
It has 1 o2 sensor. located just before 1st cat converter.
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Posted on Jan 02, 2017
SOURCE: 1998 FORD EXPLORER SOHC O2 SENSORS
HERE. They have the Ranger, Explorer & Mountaineer on the same page but if you read through it, it will give you an idea on where to look.
Posted on Nov 20, 2008
SOURCE: 2003 Ford Ranger/2.3 O2 sensor - How many and Where located ???
Engine Heated oxygen and catalyst monitor sensors—2.3L engine
Posted on Jan 16, 2009
SOURCE: o2 sensor location
DTC P0156 indicates the output voltage of the downstream Heated Oxygen Sensor (HO2S) is less than some calibratable functional window.
The possible causes are:
Since you didnt specify the engine size in your vehicle - please see the diagram below for the location of the sensor(s)
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Posted on Apr 16, 2009
SOURCE: Need locations of o2 sensors in a 04 Ford Escape.
bank 1 sensor 1 is next to the fire wall. on the upper end of the exhaust
Posted on Aug 14, 2009
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SOURCE: location of the bank 1 sensor 2 O2 sensor on a 2001 ford escape
B1 means the sensor is located on the same bank of the engine that has the #1 cylinder. B2 is located on the opposite bank.
S1 means the sensor is located BEFORE the catalytic converter
S2 means the sensor is located AFTER the catalytic converter
You didn't say which engine you have, so I've included the diagrams of both 4 cyl and 6 cyl so you can see the banks
Posted on Oct 20, 2009
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There are 4 oxygen sensors (o2 sensors)and they are all located on the exhaust coming from the motor under the vehicl by the catylac converters.
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