08-31-2020, 03:19 PM
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#1
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Confused about P0136 code
So, I know P0136 is a bank 1, sensor 2 code, no confusion there. What I’m confused about is that I can drive my runner every day locally, including short stints on the highway for several months/indefinitely without ever tripping the code, but if I go on an extended highway trip, say an hour or so, it will throw the trifecta of dash lights (CEL, VSC/TRAC)! I have no problem clearing everything, which I do when it happens, but it does get old, and obviously I’d like to correct it so it doesn’t happen at all. I’m running Thorley shorty headers, cats, and have spacers on the sensors already. Is it likely that the sensor itself is bad? Why does it ONLY trip in that one circumstance?
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2004 black SR5 V8 4WD with TRD dual exhaust, Thorley headers, AFE dry filter, Sprint Booster, Icon 2.0 rear shocks, OME 895E springs, Fuel wheels with 265/70/17 Wildpeak AT3W tires, more to come...
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08-31-2020, 09:08 PM
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#2
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Have you tried cleaning your MAF sensor? Sounds weird, but I recently got P0157 which is bank 2 sensor 2, and wouldn't throw that code til I got to highway speeds. I drove the dustiest (spelling?) trail of my life in CO recently so I did some guesswork and cleaned my MAF sensor, no more codes.
For what it's worth I I have a similar setup to you, doug thorley shorties with spacers.
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2007 Limited V8 | 275/70/18 Falken Wildpeak AT3W | Spidertrax | 4xInnovations Weld On Sliders | Victory 4x4 Blitz Front Bumper | RCI Skids | TNF Rear Bumper | Smittybuilt Winch | KOYORAD Aluminum Radiator |OME 886 Front/Toytec Superflex HD Rear and OME Shocks/Struts | JBA High Caster UCA | Rebuilt LCA with Superpro bushings + Moog BJ | HCF Delete | Doug Thorley Shorty Headers | Magnaflow HFC | Gibson Catback | Rear Diff Breather Extension | 20" Spot/Flood | 9" Spots | DD SS3 Yellow Fogs | Amber Grill Lights | Fog Lights Anytime Mod
Last edited by Zero0575; 09-02-2020 at 07:41 AM.
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08-31-2020, 09:54 PM
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#3
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Quote:
Originally Posted by Zero0575
Have you tried cleaning your MAF sensor? Sounds weird, but I recently got P0137 which is bank 2 sensor 2, and wouldn't throw that code til I got to highway speeds. I drove the dustiest (spelling?) trail of my life in CO recently so I did some guesswork and cleaned my MAF sensor, no more codes.
For what it's worth I I have a similar setup to you, doug thorley shorties with spacers.
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That’s super interesting, and I’ve never seen that suggested before, but no, I haven’t cleaned it. Definitely worth a shot though, especially since I have CRC MAF cleaner on the shelf already. Thanks for your input!
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2004 black SR5 V8 4WD with TRD dual exhaust, Thorley headers, AFE dry filter, Sprint Booster, Icon 2.0 rear shocks, OME 895E springs, Fuel wheels with 265/70/17 Wildpeak AT3W tires, more to come...
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09-01-2020, 07:42 AM
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#4
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Quote:
Originally Posted by Terminator03
That’s super interesting, and I’ve never seen that suggested before, but no, I haven’t cleaned it. Definitely worth a shot though, especially since I have CRC MAF cleaner on the shelf already. Thanks for your input!
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My thinking exactly (on already having the CRC MAF cleaner). Part of my guess was that the computer sees some kind of an oxygen issue, but points to the wrong place because of the O2 spacers - purely a guess as I'm not an engineer and just a guy who likes playing in the garage.
Been driving for over a week now with no codes, so in my case it was definitely a dirty MAF sensor. Let me know if it works for you!
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2007 Limited V8 | 275/70/18 Falken Wildpeak AT3W | Spidertrax | 4xInnovations Weld On Sliders | Victory 4x4 Blitz Front Bumper | RCI Skids | TNF Rear Bumper | Smittybuilt Winch | KOYORAD Aluminum Radiator |OME 886 Front/Toytec Superflex HD Rear and OME Shocks/Struts | JBA High Caster UCA | Rebuilt LCA with Superpro bushings + Moog BJ | HCF Delete | Doug Thorley Shorty Headers | Magnaflow HFC | Gibson Catback | Rear Diff Breather Extension | 20" Spot/Flood | 9" Spots | DD SS3 Yellow Fogs | Amber Grill Lights | Fog Lights Anytime Mod
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09-01-2020, 07:55 AM
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#5
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Quote:
Originally Posted by Zero0575
My thinking exactly (on already having the CRC MAF cleaner). Part of my guess was that the computer sees some kind of an oxygen issue, but points to the wrong place because of the O2 spacers - purely a guess as I'm not an engineer and just a guy who likes playing in the garage.
Been driving for over a week now with no codes, so in my case it was definitely a dirty MAF sensor. Let me know if it works for you!
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I’ll definitely give it a shot because “why not”? It’s going to be difficult to tell if it works in my case though because I don’t often replicate the condition that trips it because even regular highway use locally doesn’t do it. It only seems to happen when I travel for around 45 minutes to an hour at highway speeds which I was doing quite a bit in the early spring working on a far away renovation project, but mostly my highway jaunts are like 15-20 minutes locally. I would try changing the sensor, but the connector is pretty messed up/melted, so there is no way to get it apart without cutting and splicing. I also didn’t want to buy an expensive sensor if it won’t fix the issue.
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2004 black SR5 V8 4WD with TRD dual exhaust, Thorley headers, AFE dry filter, Sprint Booster, Icon 2.0 rear shocks, OME 895E springs, Fuel wheels with 265/70/17 Wildpeak AT3W tires, more to come...
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09-01-2020, 03:46 PM
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#6
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Member
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Quote:
Originally Posted by Terminator03
I’ll definitely give it a shot because “why not”? It’s going to be difficult to tell if it works in my case though because I don’t often replicate the condition that trips it because even regular highway use locally doesn’t do it. It only seems to happen when I travel for around 45 minutes to an hour at highway speeds which I was doing quite a bit in the early spring working on a far away renovation project, but mostly my highway jaunts are like 15-20 minutes locally. I would try changing the sensor, but the connector is pretty messed up/melted, so there is no way to get it apart without cutting and splicing. I also didn’t want to buy an expensive sensor if it won’t fix the issue.
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I was wrong, the wife sent me a picture of the christmas lights that returned on the way to work today  I'll be replacing the downstream O2 sensor soon to see if that fixes my issues.
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2007 Limited V8 | 275/70/18 Falken Wildpeak AT3W | Spidertrax | 4xInnovations Weld On Sliders | Victory 4x4 Blitz Front Bumper | RCI Skids | TNF Rear Bumper | Smittybuilt Winch | KOYORAD Aluminum Radiator |OME 886 Front/Toytec Superflex HD Rear and OME Shocks/Struts | JBA High Caster UCA | Rebuilt LCA with Superpro bushings + Moog BJ | HCF Delete | Doug Thorley Shorty Headers | Magnaflow HFC | Gibson Catback | Rear Diff Breather Extension | 20" Spot/Flood | 9" Spots | DD SS3 Yellow Fogs | Amber Grill Lights | Fog Lights Anytime Mod
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09-01-2020, 07:23 PM
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#7
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Quote:
Originally Posted by Zero0575
I was wrong, the wife sent me a picture of the christmas lights that returned on the way to work today I'll be replacing the downstream O2 sensor soon to see if that fixes my issues. |
Check out Rockauto for pricing...they should have several to pick from with good prices. Look up there 5% code n enter on the line that says (how did you here about us). This one should be good: 150532960138402720
Pretty sure the one you need will be described as downstream ,right side....denso is basically an oem part.
I just replaced my upstream ones...i had 2 codes..leftn right side..took care of faultcodes that i had..........
Last edited by bear1998; 09-01-2020 at 07:31 PM.
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09-02-2020, 07:40 AM
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#8
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Quote:
Originally Posted by bear1998
Check out Rockauto for pricing...they should have several to pick from with good prices. Look up there 5% code n enter on the line that says (how did you here about us). This one should be good: 150532960138402720
Pretty sure the one you need will be described as downstream ,right side....denso is basically an oem part.
I just replaced my upstream ones...i had 2 codes..leftn right side..took care of faultcodes that i had..........
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Oh yeah, I use Rockauto for everything! I ordered two Denso's last night, since I've heard you should replace these in pairs:
More Information for DENSO 2344261
I also ordered a bluetooth scan tool on Amazon since it was only $12 and I'll no longer need to go to an auto parts store to have codes read:
Amazon.com: obdator Mini Bluetooth OBD2 Scanner ELM327 Automotive OBD OBDII Code Reader Car Check Engine Light Diagnostic Scan Tool for Android PC: Automotive
I'll report back after I replace the O2 sensors and let you guys know if it was, indeed, my issue.
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2007 Limited V8 | 275/70/18 Falken Wildpeak AT3W | Spidertrax | 4xInnovations Weld On Sliders | Victory 4x4 Blitz Front Bumper | RCI Skids | TNF Rear Bumper | Smittybuilt Winch | KOYORAD Aluminum Radiator |OME 886 Front/Toytec Superflex HD Rear and OME Shocks/Struts | JBA High Caster UCA | Rebuilt LCA with Superpro bushings + Moog BJ | HCF Delete | Doug Thorley Shorty Headers | Magnaflow HFC | Gibson Catback | Rear Diff Breather Extension | 20" Spot/Flood | 9" Spots | DD SS3 Yellow Fogs | Amber Grill Lights | Fog Lights Anytime Mod
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09-02-2020, 04:27 PM
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#9
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Quote:
Originally Posted by Zero0575
I was wrong, the wife sent me a picture of the christmas lights that returned on the way to work today I'll be replacing the downstream O2 sensor soon to see if that fixes my issues. |
Thank you for the the update! Sucks it wasn’t “the answer”, but it was worth a shot.
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2004 black SR5 V8 4WD with TRD dual exhaust, Thorley headers, AFE dry filter, Sprint Booster, Icon 2.0 rear shocks, OME 895E springs, Fuel wheels with 265/70/17 Wildpeak AT3W tires, more to come...
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09-02-2020, 04:28 PM
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#10
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Quote:
Originally Posted by Zero0575
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Please update the thread once you’ve run them for a bit. Hopefully they’ll do the trick!
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2004 black SR5 V8 4WD with TRD dual exhaust, Thorley headers, AFE dry filter, Sprint Booster, Icon 2.0 rear shocks, OME 895E springs, Fuel wheels with 265/70/17 Wildpeak AT3W tires, more to come...
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09-03-2020, 07:58 AM
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#11
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Member
Join Date: Jun 2019
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Quote:
Originally Posted by Terminator03
Please update the thread once you’ve run them for a bit. Hopefully they’ll do the trick!
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Will do! It took about a week or more for the codes to return. I'll be replacing the sensors tonight and will update the thread in 2 weeks or so.
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2007 Limited V8 | 275/70/18 Falken Wildpeak AT3W | Spidertrax | 4xInnovations Weld On Sliders | Victory 4x4 Blitz Front Bumper | RCI Skids | TNF Rear Bumper | Smittybuilt Winch | KOYORAD Aluminum Radiator |OME 886 Front/Toytec Superflex HD Rear and OME Shocks/Struts | JBA High Caster UCA | Rebuilt LCA with Superpro bushings + Moog BJ | HCF Delete | Doug Thorley Shorty Headers | Magnaflow HFC | Gibson Catback | Rear Diff Breather Extension | 20" Spot/Flood | 9" Spots | DD SS3 Yellow Fogs | Amber Grill Lights | Fog Lights Anytime Mod
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09-05-2020, 11:47 AM
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#12
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Quote:
Originally Posted by Terminator03
Please update the thread once you’ve run them for a bit. Hopefully they’ll do the trick!
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Replaced downstream sensors Thursday night on both sides and my check engine light is already back on. The troubleshooting continues...
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2007 Limited V8 | 275/70/18 Falken Wildpeak AT3W | Spidertrax | 4xInnovations Weld On Sliders | Victory 4x4 Blitz Front Bumper | RCI Skids | TNF Rear Bumper | Smittybuilt Winch | KOYORAD Aluminum Radiator |OME 886 Front/Toytec Superflex HD Rear and OME Shocks/Struts | JBA High Caster UCA | Rebuilt LCA with Superpro bushings + Moog BJ | HCF Delete | Doug Thorley Shorty Headers | Magnaflow HFC | Gibson Catback | Rear Diff Breather Extension | 20" Spot/Flood | 9" Spots | DD SS3 Yellow Fogs | Amber Grill Lights | Fog Lights Anytime Mod
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09-05-2020, 04:07 PM
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#13
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Just another update on this, the scan tool live data shows 0 volts on the sensor in question, Bank 2 Sensor 2 post cat O2. Does that mean there is a short somewhere? Any suggestions, anyone?
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2007 Limited V8 | 275/70/18 Falken Wildpeak AT3W | Spidertrax | 4xInnovations Weld On Sliders | Victory 4x4 Blitz Front Bumper | RCI Skids | TNF Rear Bumper | Smittybuilt Winch | KOYORAD Aluminum Radiator |OME 886 Front/Toytec Superflex HD Rear and OME Shocks/Struts | JBA High Caster UCA | Rebuilt LCA with Superpro bushings + Moog BJ | HCF Delete | Doug Thorley Shorty Headers | Magnaflow HFC | Gibson Catback | Rear Diff Breather Extension | 20" Spot/Flood | 9" Spots | DD SS3 Yellow Fogs | Amber Grill Lights | Fog Lights Anytime Mod
Last edited by Zero0575; 09-05-2020 at 09:33 PM.
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09-05-2020, 11:45 PM
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#14
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Quote:
Originally Posted by Zero0575
Just another update on this, the scan tool live data shows 0 volts on the sensor in question, Bank 2 Sensor 2 post cat O2. Does that mean there is a short somewhere? Any suggestions, anyone?
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Wish I could answer this, but at least I can bump it for someone else to see that maybe knows. I can say that it does sound like maybe a bad sensor, or something with the harness itself. Did you check the voltage before changing the sensors? If not, maybe swap the old one back in at that spot. At least you’ll know if it’s the sensor, or the wiring...
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09-06-2020, 08:56 AM
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#15
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Just a few questions is your gas millage changing is the preformance of engine dropping is there anything happing that makes you think your truck might soon fail?
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