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Old 08-13-2019, 03:39 PM   #1
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P0152 after lt's go back on

Hey Fellas...

I am getting this pesky code for bank 2 sensor 1....this started popping up right after I reinstalled my LT's with no cats last week... I remember only hand tightening it when I reinstalled but then wrenched it last night and it still pops. Truck seems to run great (which I have missed for the last couple years due to bein lazy to reinstall lt's). gonna watch fuel trims to see if they are running any different from 1 side to the other as well as check voltage... let me know if I should check anything else...


-fred

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Old 08-13-2019, 03:51 PM   #2
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Fred, good to see you post.. sorry it's for a problem... exhuast leak?
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Old 08-13-2019, 05:28 PM   #3
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Hey Greg!...good to "see" you too man! I'm gonna check that too..tighten up header bolts and the other bolts leading down to the muffler (a lot of bolts with the cutouts too).. I forgot how much fun the setup is... and I forgot where I put my cutout switch so I ordered a momentary reversing rocker switch so I could play with the cutouts

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http://www.dragtimes.com/Dodge-Ram-1500-Timeslip-23591.html?r=1"]2005 Dodge Ram 1500 SLT: 12.10 @ 113.96 MPH
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Old 08-13-2019, 06:56 PM   #4
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Swap sensor side to side see of code follows or stays
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Old 08-13-2019, 09:38 PM   #5
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Hey Keith, you would think we would follow our own advice, lol..I always tell people to swap and see if code follows....anyways, I swapped and the code din't come up right away like before....it stayed off til my next start and then showed p0132 an p0152....i cleared it and decided to put my other reader on the obd so I can watch the live data...3 of the 4 sensors showed 1.270v while the #1 sensor was below 1v but then would fluctuate (the others didn't).... so I think I need a new sensor (might as well get 2 to be evenly matched)
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http://www.dragtimes.com/Dodge-Ram-1500-Timeslip-23591.html?r=1"]2005 Dodge Ram 1500 SLT: 12.10 @ 113.96 MPH
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Old 08-14-2019, 11:30 AM   #6
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Old 08-14-2019, 11:51 AM   #7
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Ok, after doin initial swap i got the p0132 an p0152...so i replaced the driverside sensor and now i just get the p0152...so maybe i do have an exhaust leak..something to check later...
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Old 08-14-2019, 11:54 AM   #8
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I was monitoring my sensor voltage an noticed that even the new sensor shows fluctuating voltage...may have to trace the wiring to see if i have a short somewhere
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Old Yesterday, 04:49 PM   #9
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Old Yesterday, 05:43 PM   #10
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Man I basically just had the same. Except mine was the driver side rear o2. Keith gave me alot of insight and I was able to find a bad wire from the pcm to the o2. I ran a whole new wire and soldered it in the harness. I tried for a month to figure it out. Keith set me straight in 4 posts lol.
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