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Old 08-06-2015, 07:14 PM
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How to Replace Oxygen Sensor 2002 RAM 1500

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Old 07-30-2011, 10:11 PM
dsstroyer
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Default How to Replace Oxygen Sensor 2002 RAM 1500

Hey guys, I need some help replacing the [email protected] sensors in my truck. Does anyone have a how to guide I can use thanks.
 
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Old 07-31-2011, 05:42 PM
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Welcome to DF. First, before anything else, please read this.

I will move this to the 3rd gen section (2002-2008 Rams).
 
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Old 07-31-2011, 07:42 PM
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Unplug it, screw it out, screw the new one in, plug the wires back in, VIOLA!!!
 
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Old 08-01-2011, 12:24 AM
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I don't know where its located, I'm a newbie, this is my first truck and I bought it used. Engine light came on and I got it tested and they told me my O2 sensor is bad and needs replaced. So if anyone has a picture or a diagram of them changing theres, I would really appreciate it. thanks.
 
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Old 08-01-2011, 01:43 AM
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Download the 03 service manual in the FAQ section ( or weeds sig) they are pretty much the same.
 
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Old 08-01-2011, 04:42 AM
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Originally Posted by dsstroyer View Post
I don't know where its located, I'm a newbie, this is my first truck and I bought it used. Engine light came on and I got it tested and they told me my O2 sensor is bad and needs replaced. So if anyone has a picture or a diagram of them changing theres, I would really appreciate it. thanks.
Which O2 sensor? The code will tell you which sensor is bad. What was the code #?
 
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Old 08-01-2011, 05:36 PM
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Just so you know, only ONE type of thing is going to be screwed into your exh pipe and that is an O2 sensor. So answer Hammers questions and crawl under your truck when it is cooled down and look at the pipe as it leave the engine and you will see it/them. You may have more than one.
 
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Old 08-01-2011, 10:02 PM
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It's the one before the catalytic converter. I'll look under the truck in the morning.
 
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Old 08-01-2011, 10:06 PM
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With it being an '02, I think you'll only have one cat, where most have two. At least I know the '02 4.7 has one, I'm not 100% sure on the 5.9s.

So it'd be easy enough to spot, follow from the cat forward toward the exhaust manifold (engine) and it'd be the only thing screwed into the exhaust with wires coming out of it...
 
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