Question about 1988 Ford Ranger

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How to test the O2 sensor on a 1988 ford ranger v6 2.9l

It has 1 o2 sensor. located just before 1st cat converter.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

jeffk14
  • 16 Answers

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

Ajkill
  • 2035 Answers

SOURCE: 2003 Ford Ranger/2.3 O2 sensor - How many and Where located ???

Engine Heated oxygen and catalyst monitor sensors—2.3L engine44e2701.jpg

Posted on Jan 16, 2009

blueextc3221
  • 15935 Answers

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:

  1. Pinched, shorted and/or corroded wiring and pins.
  2. Crossed sensor wires
  3. Exhaust leaks.
  4. Contaminated HO2S.
  5. Bad HO2S.
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

  • 225 Answers

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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bschilz
  • 2049 Answers

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

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Posted on Oct 20, 2009

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1 Answer

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Code p0135 andp0141 put new parts o2 iac tps check light still comes on what's wrong with it 97 ranger 2.3


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Will replacing bank 1 o2 sensor clear engine light if thats the fult code comming up? and where is it located


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The code will point to either bank 1 sensor 1; bank 1 sensor 2; bank 2 sensor 1; bank 2 sensor 2.

From what I remember with a focus, it should only have 2 sensors, sensor 1 will be located before the cat, and sensor 2 will be located after the cat.

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