Question about 2002 Ford Ranger Regular Cab

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Oxygen sensor my check engine light went on, so I had it diagnosed at my local autozone. They told me it was the oxygen sensors. I bought them but haven't replaced them just yet. Now my truck trembles when im stopped, or parked, and jerks when I turn it on and put it in drive or reverse. Is it the oxygen sensors or is there more to it? Is there a special procedure in replacing the oxygen sensor? I'm not an expert, and just learning about cars.

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Yes, its the oxygen sensors. install what you bought.

Posted on Jun 17, 2008

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I have 2006 Kia Sorento, the engine light is on and I had it check ane they told me it PO131 and PO 134 can you tell me what is going on?

Both of those codes typicall refer to bad or disfunctional Oxygen Sensors. Take your car to AutoZone and they will hook upo their diagnostic tool to your car and diagnose the problem for FREE.

Jul 27, 2011 | 2006 Kia Sorento

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Hi, no, they are not related. The oxygen sensor(s) are part of the ignition/emissions sytem and help regulate fuel flow/mixture. The A/C system is self contained and does not affect other engine systems. Mike

Jun 14, 2011 | 2009 Saturn VUE Hybrid

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Just last week i got my oxygen sensor changed because i had my engine light came on and i was told that was the problem. once it was changed the engine light went out, but today friday it came back on...

If you change an O2 Sensor ,and that was the issue,
the light on most vehicles should go out

Your saying you paid to have your vehicle diagnosed
and repaired

My answer or guess, is that they did a poor job at it.

The only time any Malfunction Indicator Lamp (MIL)
or Check Lights come on, you most certainly have issues

What they are, has to be diagnosed, as the codes you get,
do not tell what is wrong or to replace anything

I do not believe that all repair shops know that as of now

You may have a new and different problem from last weeks

Mar 26, 2011 | 2001 Hyundai Tiburon

1 Answer

Check engine light is on but theres no problems with my truck

Unfortunately, this is a common problem with the Fords. The only way to be certain, is to take it to your local auto repair shop or AutoZone and have it diagnosed with a computer. AutoZone will do it free of charge. If the vehicle is still running properly, it is usually something like an oxygen sensor in the exhaust, and at $125 each for the 5 of them, it is usually not worth dealing with. Just have to learn to live with the dash light being on. Good luck!

Jan 08, 2011 | 2008 Ford Explorer

3 Answers

I have an engine light on to my Toyota Corolla 2003; diagnosed by the autozone OBD11 SCANNER P420. I replaced the oxygen sensor and the light deleted. After driving the car for 30 miles the light came on...


The trouble areas associated with this code are as follows:
1)Gas leakage on exhaust system
2)Oxygen sensor
3)Heated oxygen sensor
4)Three–way catalytic converter

The idea is to check for exhaust leaks first then the front sensor and rear sensor. If these all check out then the cat needs to be replaced.

Hope this helps. Thanks for using fixYa

Nov 05, 2009 | 2003 Toyota Corolla

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Check engine light went on

Some auto parts stores (like AutoZone) will diagnose the code for the check engine light for free. If the vehicle is running fine it may be something as simple as a bad oxygen sensor.

Jul 13, 2009 | 2003 Toyota Avalon

1 Answer

I have a 2002 Volvo S60 T5. Here's the problem: I started the car, shifted into drive, hit the gas and the RPM's went up but the car barely moved. I shut the car off and restarted it then it worked. Now...

Had a similar issue where I would press the gas and not get a response or very little response. You could have a multitude of issues, but if the check engine light is on and it's driving ok, I would say it might be a sensor issue, oxygen sensor, fuel pressure sensor or MAP sensor. My problem was the rear oxygen sensor and the part was $219. The fuel pressure sensor was also replaced ($189 for parts) and the MAP sensor ($150 for parts). First thing you should do though is get the download of diagnostic codes from the check engine light being on and then further diagnose from there. Not sure where you are, but if you want to do yourself Autozone or Advance Auto can do that for free. That will tell you where you should focus your effort next.

Jun 26, 2009 | 2002 Volvo S60

2 Answers

Check engine light - P0420 code

Causes A code P0420 may mean that one or more of the following has happened:
  • Leaded fuel was used where unleaded was called for
  • An oxygen sensor is not reading (functioning) properly
  • The engine coolant temperature sensor is not working properly
  • Damaged or leaking exhaust manifold / catalytic converter / exhaust pipe
  • Retarded spark timing
  • The oxygen sensors in front and behind the converter are reporting too similar of readings

Please rate this solution thanks

Feb 02, 2009 | 2005 Toyota Corolla

1 Answer

O2 Sensors

Autozone oxygen sensors do not function properly in Toyota vehicles. Just had a Tacoma yesterday with the same issue. New sensors, runs poor, check engine light on. Toyota sensors fixed it right now.

Dec 29, 2008 | 1996 Toyota Tacoma

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