Question about 2003 Ford Ranger Regular Cab

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

Could you please tell me how many O2 sensors a 2003 Ford Ranger with a 2.3 engine has and where they are located.

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  • Anonymous Mar 19, 2014

    Help

  • Anonymous Mar 26, 2014

    locate bank 1 o2 sensor 4.0 v6

  • Anonymous Mar 29, 2014

    How do I erase a P1000 engine code on a 2003 ford ranger?

  • travis foster
    travis foster Aug 28, 2014

    my 3.0 v 6 has three two on one side of the exhaust and one on the the outher side

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Engine Heated oxygen and catalyst monitor sensors—2.3L engine2003 Ford Ranger/2.3  O2 sensor - How many and Whe - 44e2701.jpg

Posted on Jan 16, 2009

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rockitman187
  • 2559 Answers

SOURCE: ATS sensor on 2003 Ford Ranger/2.3 engine

In the bottom of the air box.

Please rate this solution.

Posted on Jan 16, 2009

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Hi hope I can help.
P0171 mean bank 1 is to lean
P0174 means bank 2 is lean
You did not state what engine you have but by your codes you must have the V6 4.0.
These codes refer to a fuel issue. bank 1 and bank two represent each of your manifolds.
being you have a V6 you have 2 manifolds.
Each of your manifold have an O2 sensor in it. That's what is giving the lean reading.
This does not mean that you have bad O2 sensors.
They are just doing there job.
So you should check your fuel pressure with a gauge and make sure your pressure is correct.
It seams as your fuel pump maybe weak.
Hope this helps.
Please leave feed back
Thank you urnuts73@ FixYa

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1999 ford ranger 4x4 4.0L motor is skipping replaced camshaft sensor,crankshaft sensor,new coil pack,new plugs,wires,and replaced mass air flow sensor,now its still skipping and codes pulled are showing...


P1151 means a lean bank 2 O2 sensor
P1152 Means a rich bank 2 O2 sensor
P1309 Means miss fire detected
I would check your fuel injector for fouling
When they foul the will develop a drip
Causing a fuel fluctuation that will have O2 sensors reporting rich and lean voltage changes
This causes the pcm to adjust injector pulses making them shorter and longer.
causing more fuel or less fuel.
From this condition you may see plug fouling.
Also check for leaking or faulty fuel pressure regulator or restricted return line.
Most of the time it wont be a bad O2 sensor the O2 sensor is just doing its job.
You also have already changed the plugs and Map so there already out of the way.
If this helps please give me some feed back
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ATS sensor on 2003 Ford Ranger/2.3 engine


In the bottom of the air box.

Please rate this solution.

Jan 16, 2009 | 2003 Ford Ranger Regular Cab

1 Answer

2003 Ford Ranger/2.3 ATS


In the bottom of the air box.

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Jan 16, 2009 | 2003 Ford Ranger Regular Cab

1 Answer

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