08-07-2013, 09:34 AM
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#31
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I think Po115 is for the engine coolant temp sensor. It may be reading out of range. $40~$50 at the dealership.
Get rid of the Bosch O2 sensor. As before, Denso or OEM. That in fact may be contributing to the PO115. I'd start with replacing this first.
Your fan clutch may be on the way out as well.
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08-07-2013, 10:07 AM
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#32
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the bosch o2 sensor is the culprit for your CEL, and yeah i think you have a bad fan clutch too. i have a lot of extra weight on my truck, bumper with winch, sliders, full skids, then with my lights on my bumper and winch controller all in front of my grille, my airflow in to the rad is limited, but i only see my temp gauge around 40% on hot days (90+) so id look at getting a new fan clutch. you might want to search through the classifieds here, and see if you can find a used one for sale from someone who is parting out 4runner.
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if a*sholes could fly this place would be an airport -2004 GX470 spm -97 SR5 3.4, SCS Stealth 6's w/305 70 17s MTRs, Icon 2.5" RR w/700#coils, OME861s w/Icon tacoma 2.0 RR, ARBs w/nitro 4.88, PIAA LED lights, 170amp CS144, ARB snorkel, ARB bumper w/xd9000ce, CBI swingout loaded, BudBuilt skids, lil skip tank skid, sliders, LCE 231s(d&s), first gen roll bar mod, LED interior/dash lighting, B&M 70624+perma cool w/electric fan, dual electric fanshttp://www.toyota-4runner.org/3rd-ge...ld-thread.html
http://www.metaltech4x4.com/
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08-07-2013, 01:42 PM
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#33
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Quote:
Originally Posted by TheDurk
Our 4Runners have a single exhaust, therefore we DON'T HAVE any Bank 2 exhaust sensors. For this reason, it is not even listed in the FSM. I have NO IDEA how this is possible--missing pixels in display, not a 3G truck, idk...)..
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Whoops! That would have been my fault. I should have caught that when I searched the code. Sorry 'bout that OP. Didn't mean to cause confusion.
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08-07-2013, 02:07 PM
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#34
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Just to simplify for the futyre searchers, I have started a new thread on the CEL. Need Your Help Please - CEL P0115
I will go ahead and check my fan out but are there any tips on checking it? It is currently somewhat stiff when I turn it.
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08-07-2013, 02:13 PM
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#35
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Quote:
Originally Posted by jnettrecker
I will go ahead and check my fan out but are there any tips on checking it? It is currently somewhat stiff when I turn it.
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Josh- with the engine warmed up and turned off, try to spin the fan by hand: grab a fan blade and try to spin it. It should spin less than 1/4 turn or so before coming to a stop after you release the fan blade. If it spins more than that it's bad.
As far as your CEL- I think it's the O2 sensor you're using. Maybe someone else will chime in soon to give you a 2nd opinion.
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08-07-2013, 02:56 PM
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#36
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Quote:
Originally Posted by Bad Obsession
Josh- with the engine warmed up and turned off, try to spin the fan by hand: grab a fan blade and try to spin it. It should spin less than 1/4 turn or so before coming to a stop after you release the fan blade. If it spins more than that it's bad.
As far as your CEL- I think it's the O2 sensor you're using. Maybe someone else will chime in soon to give you a 2nd opinion.
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Copy. I'll try that tonight. Thanks!
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08-07-2013, 03:45 PM
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#37
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yes its your o2 sensor, DO NOT use anything but a denso for the o2, i honestly would not even use a NGK unless you are force induction or have played with AF ratios. the only think bosch i would use on our trucks is a wiper blade. bosch is crap for these trucks
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if a*sholes could fly this place would be an airport -2004 GX470 spm -97 SR5 3.4, SCS Stealth 6's w/305 70 17s MTRs, Icon 2.5" RR w/700#coils, OME861s w/Icon tacoma 2.0 RR, ARBs w/nitro 4.88, PIAA LED lights, 170amp CS144, ARB snorkel, ARB bumper w/xd9000ce, CBI swingout loaded, BudBuilt skids, lil skip tank skid, sliders, LCE 231s(d&s), first gen roll bar mod, LED interior/dash lighting, B&M 70624+perma cool w/electric fan, dual electric fanshttp://www.toyota-4runner.org/3rd-ge...ld-thread.html
http://www.metaltech4x4.com/
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08-07-2013, 05:41 PM
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#38
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Quote:
Originally Posted by Bad Obsession
Josh- with the engine warmed up and turned off, try to spin the fan by hand: grab a fan blade and try to spin it. It should spin less than 1/4 turn or so before coming to a stop after you release the fan blade. If it spins more than that it's bad.
As far as your CEL- I think it's the O2 sensor you're using. Maybe someone else will chime in soon to give you a 2nd opinion.
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Read this from a BMW site that applies perfectly to ours:
Testing for a bad Fan Clutch (Sachs and Behr)
Here is my mini-DIY on fan clutch swap--good stuff elsewhere in thread, too:
1998 3.4 Auto 4Runner, Overheating Issue, Suggestions? - Page 4 - YotaTech Forums
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'99 4Runner SR5 5spd 3.4L V6 4WD(U.S), original '99 Talls in front, OME 906s in back, Hella fogs, Trekmaster shocks in front, Billy in back, no running boards, FIAMM horns, Alpine sound, Michelin LTX M/S2's, owned since new.
'97 HiLux SW4 5spd 4WD(Japan model bought in Brazil assembled in Argentina, very close to a 3.0 4Runner/Surf)
'71 FordWillys Jeep CJ5 (with straight six Ford Maverick 3.0 liter engine--lives in the mountains north of Sao Paulo Brazil)
My Backyard Frame Swap
Last edited by TheDurk; 08-07-2013 at 05:44 PM.
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08-07-2013, 06:43 PM
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#39
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Great input. Thank You! I'll be testing it tonight.
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08-08-2013, 10:23 AM
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#40
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I posted over in my new thread with all the info but you guys have been great.........So does anyone know where the ECT is located? Again you can read my other post for paragraphs of fun!
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08-11-2013, 12:03 AM
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#41
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Just wanted to post a follow up. My fan clutch is bad so I ordered a Asian replacement, and it should be here Monday. Thanks for all the help. See my other thread for the CEL solution.
Need Your Help Please - CEL P0115
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08-11-2013, 10:07 AM
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#42
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Good to hear. OEM/OEM maker is always the way to go. Replace it once and that should be all she wrote.
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08-11-2013, 08:44 PM
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#43
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glad you got both things figured out. while i guess your bosch o2 wasnt the issue(at that/this) time, it sure would of been had you left it in there for very long... youd be lucky to get 6months out of one with our trucks.
for sensors and electrical components stick with OE -typically denso.
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if a*sholes could fly this place would be an airport -2004 GX470 spm -97 SR5 3.4, SCS Stealth 6's w/305 70 17s MTRs, Icon 2.5" RR w/700#coils, OME861s w/Icon tacoma 2.0 RR, ARBs w/nitro 4.88, PIAA LED lights, 170amp CS144, ARB snorkel, ARB bumper w/xd9000ce, CBI swingout loaded, BudBuilt skids, lil skip tank skid, sliders, LCE 231s(d&s), first gen roll bar mod, LED interior/dash lighting, B&M 70624+perma cool w/electric fan, dual electric fanshttp://www.toyota-4runner.org/3rd-ge...ld-thread.html
http://www.metaltech4x4.com/
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08-11-2013, 11:24 PM
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#44
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Says it all right here
"Whether or not gauge is reading accurate temps or not, who knows. However, I do know it is working percentage wise because results from all test have been consistent, not just a random jumping of the gauge."
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08-11-2013, 11:40 PM
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#45
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Remember, what I learned is that the sensor that sends a signal to the gauge is and was working. It is the single wire sensor under the intake.
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