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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #11  
Old 12-18-2009, 09:55 AM
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What do these codes mean?
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  #12  
Old 12-18-2009, 09:58 AM
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The first one means the position sensor in the EGR valve is bad and the other two means the PCM isn't seeing the correct voltage for the O2 heaters.
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  #13  
Old 12-18-2009, 10:28 AM
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i agree, replace the egr valve..I paid $57 at napa I think (about a month ago)
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  #14  
Old 12-18-2009, 12:55 PM
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Thanks for all the info
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  #15  
Old 12-24-2009, 10:18 AM
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I just wanted to make a quick post and thank all that have contributed to this thread and similar ones. I am fairly new to the forum as I very recently bought my first Ram ever...a Silver 2001 1500 4x4 5.9L gasser. Fell in love with the truck on sight and first test-drive convinced me it was mean't to be. I have to admit though, in all of my excitement I didn't do all of my homework. I bought the vehicle out of state and upon getting it back home realized the dual exhaust that was already there (sounds amazing) had no cats. Much to my amazement I passed the inspection with flying colors. However, a couple of days ago my check engine light came on. I scanned it and found it to be a P0138 trouble code. It was the dreaded O2 sensor that was supposed to be behind the cat. Great! What was I going to do about that? I came straight to the forum and started looking at the different threads trying my best not to have to spend who knows how much to change my exhaust system. Thanks to you guys I have fixed the problem for a whole $5.00 in spark plug non-foulers! Whoever came up with this idea is a freakin genius! You guys are the greatest! It's such a relief knowing that we have a community like this that actually cares enough to share such useful info. Thanks again to all who contributed!
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  #16  
Old 12-24-2009, 10:58 AM
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..we're just passin along the knowledge and legacy...keep on truckin..
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  #17  
Old 12-24-2009, 11:05 AM
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Quote:
Originally Posted by Remerson228 View Post
I can't help but think that installing a resistor between the O2 signal and ground on the 1/2 and 2/2 sensors would be a lot easier than welding a bung into the pipes. It would just be a matter of figuring out the proper resistence.
I've had a lot of customers that have regretted cutting the wires for the 02 sensors.
There are "variable voltage resistors" and that's probably why there is no plug and play 02 simulators.
If you get longtubes it's probably better to get the 02 extensions if needed.

I sell the rear 02 sensor spacers drilled and assembled. You can do this yourself also.

http://moesperformance.com/index.php...oducts_id=4111
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  #18  
Old 03-14-2011, 01:36 PM
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I have a similar problem after installing a cat back flowmaster with o2 low voltage I believe just the one after the cat is giving me the problems (my cat is stock unmodded). Im assuming I have to replace it does anyone have a link to a good cheap source for o2 sensors that would work? Im seeing prices all over the place some with the plug in connector some you have to splice into the connector. Any thoughts would help.
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  #19  
Old 03-14-2011, 02:28 PM
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Go with factory sensors. I've seen way too many problems from el-cheapo's from parts stores.
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  #20  
Old 03-14-2011, 09:45 PM
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Sorry to hijack your thread but all the gurus are already subscribed to this one. Lol. I just put ARH longtubes on my 11 ram and I have a code p0052 for the front O2 sensors. Will the extensions help with this at all?
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