Toyota 4Runner 3.4 - P0136 O2 Sensor Malfunction Bank 1 Sensor 2

Come along with Eric O. at the SMA shop as we have a look at this 2000 Toyota 4runner 3.4 4x4 that came in with the service engine soon light on and a P0136 O2 Sensor Circuit Malfunction Bank 1 Sensor 2 stored in the memory. We take a minute to run some quick tests to verify the problem and run a drive cycle after the repair is made to confirm the fix. -Enjoy!!
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Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not South Main Auto Repair

[@bobmc4687]

Little tip with the magnet fishing, cut the top off a plastic soda bottle and feed the rope through it so the wider part of the bottle top covers the magnet. That'll help keep the magnet from getting snagged while dragging it back in. Merry Christmas to you, the lovely Mrs. O, and the entire family.

[@PK15306]

Touble shooting skills; priceless, Torching skills; priceless, Humor skills; priceless. Thank you for sharing Mr. O.

[@PineHollowAutoDiagnostics]

Love the close-up camera work on torching those nuts off. You are the torch master, Eric!

[@MattManProductions]

I'm so glad that Mrs O is getting better around the camera

[@wyattoneable]

That was a great application for a test light ground. Your a good shot with the torch and it was a solid fix. Merry Christmas to the wh"O"le family.

[@williamavery1758]

Very good video I just did the bank 2 sencer 1 heater circuit malfunction it stopped work on my 1998 Toyota Camry V6 3.0,, same thing happened to me I ordered one and had the right server box but when I opened it up it was the wrong one, I mean im no Mechanic but I had enough experience to catch that you know. So I went to the parts store and bought the right one and put it in and works pretty good job well done. But very good video as all the videos I seen that you put out my friend

[@roadkill5333]

In all attempts to be pleasant and courteous, please convey our sincerest appreciations to Mrs. O. for providing an extremely pleasant viewing situation for the day!! After looking at the junk yard for a while, seeing a garden full of beautiful flowers, is an acceptable change!! (wolf whistle)

[@rtchrg440]

Great tip with torch on the rusted studs and old gasket!

[@catranger01]

Holy crap, you're a master with that torch.

[@konstantinusstoyanov9749]

Amazing diag, thank you

[@benjaminstockton3431]

Goodie have another sma video to watch when i get home from work thank Eric O.

[@63256325N]

Man, that is low, switching items in the box. Thanks for the video.

[@bsgarey]

Happened to me with a computer switched in the box. I was not happy. But auto parts yes...as well.

[@ozzstars_cars]

Thanks for teaching me about the part swap return trick. Buy a cheap one and return the expensive one. Ain't that a bitch.

[@davidnguyen5028]

Come on Eric, give Mrs. O a hand with those boxes.

[@rsage_]

Great quick diagnosis and a Merry Christmas to you and the posse over there in Avoca! My brother in Rochester says it's going to be snowing tonight. Looks like it'll be a white Christmas for you guys and for us here in SLC.... Anyway, I just pulled a 2003 Subaru EJ25 from the wrecking yard... can't beat a good motor for only $180! It's going in a 2005 Legacy. The only difference between the two is that the 2003 doesn't have the EGR port from the left head. Online there are success stories about just drilling and tapping one - you can see that the casting already has an area dedicated for that "future" option. I just drilled and tapped it yesterday and all seems well. Going to install the engine today. Have you ever done something like that?

[@gehnerjd29]

Once Mrs. O came on the video we all forgot you were working on a vehicle anyways. You have inspired me to start working on my own vehicle over year ago. Happy holidays and keep up the great work.

[@stigonutube]

wow you did well to get those nuts of those rusty studs, worth a thumbs UP just that navigation, Well done Eric'O

[@1951Danger]

I'll keep watching as long as Mrs. O makes an appearance.

[@Paul1958R]

Eric, Thank you again for another great and informative video. You are blessed with a wonderful wife and beautiful children. Merry Christmas Paul

[@aaronstewart7126]

Would love to see yall magnet fishing on your outdoor channel. Haven't seen you on that channel in a while. Love the vids.

[@FABAutomotiveDetailing]

No surprise on the part you got. We get returned parts all the time from Advance Autoparts.

[@echologged85]

Ah, good to see a manual transmission 2000 4Runner! Sad that it’s so hard to find a vehicle with a manual transmission these days...especially trucks! anyway, good video as always! Hope you guys have a Merry Christmas and happy New Years!

[@SmittySmithsonite]

Nice trick with the torch! Saw you do that before on a F-150 manifold - pretty slick. I finally got myself a torch setup after wielding MAP gas for 20 years or so. Could get by with that on the old stuff, but not anymore with everything being post-'96 these days (they've improved the bodies, but it seems the undercarriage has taken 20 steps backwards). Now I've got to practice! Thankfully I've got alot of scrap metal laying around to burn up first, before I unleash "the wrench of fury" on the customer's stuff. :D Once the floor is poured in the new shop, I'll dig the thing out of my barn and actually be able to use it. I've learned alot about modern electronics from you and Paul Danner (ScannerDanner), but I seem to forget everything the minute I go out into the shop! Sucks getting old, lol. I'm pretty new to OBD-II stuff - I used to refuse it all, until I learned how to troubleshoot the things, just in the past year. I stuck with carbureted stuff (rare these days in cars, but plenty of it in lawn equipment) for the most part. Now I need some more hands-on with the new stuff, so all this new knowledge will sink in. Too many brakes, front ends, and tires around here lately! :D Thanks for another great one. Time for me to finally go to bed! Merry Christmas to you Eric, and Vanessa, and the rest of the family. :)

[@throttlebottle5906]

chinesium metals at their finest, I'm still stuck with MAPP gas, the tiny oxy/acetylene torch I have is a joke ( the small store bought bottles) I do have an ancient set of gauges, hard as rock hoses and dinosaur torch set that is no longer made :( last used about 1993?

[@SmittySmithsonite]

I hear that - chinesium, the 119th element. Creeping into EVERYTHING these days. Sounds like the 50 year old acetylene brazing torch I had handed down from my grandfather. My dad and I attempted to use it one day, and nearly had a catastrophe when the torch handle burst into flames. There were leaks from the valve, all the way down the hose to the torch itself, lol. I brought it home with me, and couldn't find anything that would fit it. My neighbor brought the tank to the gas company to get refilled, and I guess it caused quite a stir, since nobody had seen that style tank and valve in decades. :D

[@shadowrayz]

Another great video. Sorry for the rough day, Eric! Cheers! \m/

[@benjaminstockton3431]

Eric O. Another good video waited all day to see it thanks

[@raymondjacobs8429]

They must consider you Second Hand. Apparently they've never seen your work. GREAT ERICK!

[@zx8401ztv]

I was really supprised that there was enough threads left on those studs, good job eric :-D. - The magnets from hard drives can pinch fingers, yep my finger lol.

[@daviddelle774]

Liking Mrs. O's glasses.

[@matthewgraham5622]

Eric O is straight up surgical with the oxy acetylene torch.

[@ocesmekanics3831]

Man you are the best! Exactly what I was looking for. I do mechanic service for friends and family and your videos have been of tremendous help and guidance. Thank you sir.

[@mrkttrdr2919]

A real Murphy video, if it can go wrong it will, great to see the Amazon lady kids & pooch, Santa says take a long weekend and enjoy!

[@JSchrumm]

The swap a part happened with me at car quest / advance auto with an upper ball joint, its alway a guessing game when you don't pull the part before going to the parts store around this town, And when I do I come home to missing nuts and or bolts. Good times.

[@SurvivalInFlames]

Aquachigger does great magnet fishing videos that are kid friendly. Btw Mrs O looks awesome sauce in glasses:)

[@billyyoder8171]

Thank you Eric. Merry Christmas to you and your family.

[@haywardsautomotive6156]

Nice diagnosis & video as usual. Hope you guys have a Merry Christmas & Happy New Year!

[@SouthMainAuto]

Thanks Bob and Merry Christmas to you !

[@unencumbered]

I think the heater circuit looks for a min 3 amp and max 8 amp to work. Doesn't matter because it set heater codes when open. Great vid as always!

[@mikemassegrafixshopmike]

You are a smart guy eric

[@jamesdickson3616]

Thanks for the video Eric ,oh been watching you using your Astro light ,I bought two of them from amazon brilliant light use them for every thing love the magnet on it .old Jimmy west australia

[@andrewwilson8317]

Like the idea of the vice grips on the test light. You might be interested in my own version? I got a small G clamp,a two inch one and drilled a hole to bolt wire to it. I removed the little cap from the screw and sharpened to a point the little ball end on the thread. Now can clamp to any surface,just tighten screw to get a good earth. Even works on painted surfaces as well as rusty ones. Little spot of rust preventer after removed. Locks on solid,gives a great earth every time,with no prep or cleaning and is low profile. If I works for me it can work for you!

[@watershed44]

The "money light" is on! LOL

[@gtemnykh]

It seems an oxygen sensor or a t-belt is just about the only kind of job a mechanic can hope to see on one of these 3.4L 'yota truck motors! Love my '96 4Runner, I use it for all my travel and road trips and some mild offroading, aside from a failed fuel injector a few years ago its never missed a beat. Not bad for a 21 year old truck. Seems like the only thing that can really take them off the road is frame rust. The bodies hold up incredibly well, but the boxed frames will rust inside out if you don't undercoat in a northern climate.

[@x99j]

Strawberry milkshake takes out the automatics because of antifreeze mixing with atf. Also rear axle seals go often! And if you don't check diff fluid often (who does?) He rear diff implodes. These are alot better than the previous generation with the 3.0 head gasket circus!

[@gtemnykh]

The "milkshake" issue definitely exists, but I think its rate of incidence gets overblown on the internet. Having said that, I have an external trans cooler on mine to bypass the built-in trans cooler in the radiator. The rear diff thing, okay for someone completely negligent and oblivious I suppose that is possible. Mine had a bad axle seal when I bought it, the oil spray around the rear inner fender and grease smell kind of gave it away. It didn't take "checking the diff fluid often" to catch and correct that issue. Compared to my friend's '00 XJ Cherokee with rusted rockers and a cracked head/blown head gasket by 110k miles, the 4Runner is a spring chicken. A lot of that does come down to how the owner maintains their vehicle be it Toyota or Mopor or Ford etc. But I find that the overall quality and dependability of these older Toyotas to be simply incredible (better than the new ones, in terms of things like paint quality and interior parts).

[@jamesu]

Most of the work I see on these is suspension problems. Lower ball-joint separation can ruin your day. Mostly long neglected maintenance.

[@gtemnykh]

Spot on James. All of these older Toyota trucks/suvs with double wishbone front ends had an inverted/in-tension style of lower balljoint that would not really give anywhere as much notice of impending failure before they let go. The other problem is people using poor quality balljoints when they do replace them. I preemptively replaced mine with OEM Toyota pieces at 135k miles, the stock 20 year old balljoints were still perfectly tight but I was spooked. 95-04 Tacomas, 96-02 4Runners, 01-07 Sequoias, '99-06 Tundras are all potentially at risk. Newer Toyota 4wd IFS has a more traditional balljoint orientation. I do know several friends with this generation 4Runner that have 150k+ miles on the OE lower balljoints and they seem to still be tight.

[@honestmechanic7974]

Also head gaskets/cracked heads and unlimited amounts of oil leaks from engine

[@cdub8200]

P0136 is a major exhaust leak in front of the sensor. Or in my case the sensor was still reading in the low voltage area, replaced sensor and all is well.

[@jimzivny1554]

Wow, Mrs O looks great, great hair and smokin' boots! Good video, I thought you were in trouble looking at this sensor mounting studs, when you were installing it I was telling my phone "easy on that wrench, not too tight"! LOL

[@mevsme6416]

Dude, I wouldn't even know how to deal with rust. Tech from Florida

[@dsautorepairsdinges4367]

Thank you dear Lord baby Jesus I never dealt with the studs on a Toyota!! You are the Doc Holiday of torch knicking! Have a Merry Christmas to you and your family sir.

[@geologic740]

Top notch as usual

[@moparnutalways]

My parts guys always open the box and check before they take a part back. Not that they don't trust me, but it saves time on both ends if they check the return.

[@jeremyanthony9300]

tell Hannah merry Christmas and happy new year too.

[@jeremyanthony9300]

excellent video ( as always ). merry Christmas and happy new year to you and your family and everyone at south main auto.

[@HUBBABUBBADOOPYDOOP]

Just like Jarred food, medicine, bottled food- nearly everything has some type of "tamper resistant" packaging- but not auto part boxes. OTOH It takes 5 seconds to verify numbers of box & bag to match, and if bag is open, BEFORE granting a refund or replacement, and BEFORE returning it to stock. I know that OEM parts usually have a bag label that reads: NOT RETURNABLE IF OPENED, and Dealers Parts Depts usually examine stuff like that. They are showing very slipshod business practices. I would call a Customer Rep, get this situation remedied ASAP. This happens way too often.

[@Cheepchipsable]

Well they must factor that in, otherwise they would go broke.

[@BigDog50001]

Nicely done Sir.

[@robswrenches9501]

Great video as always Eric!

[@davidgoldberg]

Learned some helpful tips, thanks!

[@chevyphil3969]

oh the old switched part. happens to me all the time here in niagara falls ny. and our local napa advance auto autozone looks at you like your the one that did it .

[@fredrickharper3376]

Merry Christmas from Pensacola

[@Aristotle2000]

Wow. You get one Toyota a year to work on.

[@communitycoz6368]

Goodmorning Eric O.

[@SGDeGalvez]

I have to go to the auto parts store with the old part in hand, and then check inside the box for shenanigans. Its to the point where trips back and forth to the auto parts store to get their shit together takes up more time than the job itself.

[@utuber2940]

dont feel bad i returned some brake rotors to advanced auto and they gave me some counterfeit twentys and had the police called on me when i went to buy gas with them........luckily i knew where they came from.....

[@newjerseybt]

I was once given a $20 bill for change at a bakery and noticed the green on the $20 given was a slightly different shade of green than the other 20s I had. Held bill up to the light and there was no Jefferson water mark. Made the girl who gave me the $20 exchange it with another $20. Poor girl was fired for accepting the $20 and not checking the watermark. Oh well.

[@ivanolsen7966]

WTF

[@23thebull]

You guys are awesome. Merry Christmas

[@TriggerTravels]

Snow huh? I'll be riding my harley later today... High of 78 here in Southern Texas... Cheers

[@InsideOfMyOwnMind]

yelorsirhc That was mean lol.

[@theadventuresofjavier8698]

Merry Christmas and a happy New year O family from the R family

[@adamtrombino106]

Usually, the basic criteria for the O2 heaters depends on ECT vs engine run time. In other words, if 1 does a hot restart, the heater is not needed, therefore not used/run. Depending on the manufacturer, this could mean 20-40* cool off, and sometimes, the PCM just will briefly switch the heater on, then off, to check circuit integrity, but not actually use the heater function at all, again, depending on the programing. I've run into that alot on older OBD2 Asian cars, as well as Fords, when trying to run a drive cycle. Sometimes, you just gotta wait. Nice trick with the rusted nuts/studs BTW..

[@Thunderroad8517]

Merry Christmas to you and family. I really like your channel and the things you share. You help me fix a better sandwich! Lol

[@ScottSellsSoCal]

With all those tire jobs, do you use that time to do a quick go over the vehicle to see if you can sell them any other needs? I changed your tires, but I noticed you’ll need brakes in the next few thousand miles... or your hose is soft etc..... (no jokes with a soft hose lol)

[@SouthMainAuto]

100% yes sir!

[@petemiller5813]

Would you do a call out on the thread chasers you used to clean up the thread on those studs

[@paulcarroll750]

Pete Miller to the best of my knowledge there is only one company that makes those thread chasers. Lang tools. They are rebranded for a bunch of different companies. The cheapest place to get them is sears under the craftsman brand.

[@racerxnk]

Had the same code on my '04 Tacoma. The nuts for the sensor just broke off in my hands:)

[@rrmech11]

Nice job Eric

[@j.gtheautotech8455]

Which would you rather get first, tap and die set or thread chaser set?

[@toyotaron7830]

Eric, at Toyota on these we use Techsteam to monitor O2 sensor data and it gives us real time input on impedance of the circuit and current to the heater, going from memory here (don't quote me!) cold impedance is like 21K ohms and decreases as it heats up so the ECU knows approximate temperature. So, if it does not see any impedance (unplugged) it sets that code. I didn't see those parameters on your scan tool?

[@SouthMainAuto]

You know, our after market scan tools usually show O2 and AFR heater resistance or impedance but on this one it did not. Maybe a year cut off before it is displayed. I have Techstream Lite but did not use it on this one however I am familiar with those PIDS.

[@geoffrwelsh]

O. I still see that age Toyota all the time here. If you install the test light (turn signal bulb), on the heater circuit, clear the codes, and start the car, the light will come on within 30 seconds or so. Also, you missed a chance to use your Mastertech! It has the factory Toyota software on there for this age Toyota.

[@kuuuba777]

I'm just curious... what did you do with additional gasket? You returned it or leave it for another toyota's sensor?

[@roadkill5333]

kuuuba777 GOOD QUESTION!! He should take it outta the pkg, put the chips of the gasket he burned off, back in, AND RETURN IT!!

[@robinsonsmotorcycleandauto3929]

That's a awesome test light I want one now. Maybe better make myself one.

[@andrewwilson8317]

Exhaust shop ear me has a stud welder to spot weld on studs to replace rusty or broken studs in situ, you come across this? They just chop off flush and spot weld on a new one. No drilling,tapping or anything!

[@testosteroneinc.3800]

Andrew Wilson There is a lamp growing from your head

[@andrewwilson8317]

Refried Beans that's my halo you can see!

[@randomron67]

Now that's one fancy test light 😉

[@SuperVitz]

Question... Is it safe to ignore codes for the rear o2 for a while? I don't have the time to fix mine this month. Thanks for great content.

[@malcolmyoung7866]

Eric....and Mrs 'O and some 'dodgy' rare earth magnets....' Parental Guidance Advised....Merry Christmas to you all...

[@garyclemons2689]

Good job keep up the great work

[@jakeaustin9894]

Ahhh, the awesome 5VZ-E 3.4L engine! Another awesome SMA diagnosis, with Christmas presents too! Is the check mode feature a Toyota only feature or does it work on other makes as well?

[@SouthMainAuto]

Toyota only on the check mode

[@joelcr250]

*your a surgeon with that torch, ........... us DIY'ers would've busted off the studs with a wrench and then cried lol*

[@joshwinky6005]

ok...waaaaay too early in the morning to hear "We're just going to knick the nuts off it".

[@testosteroneinc.3800]

Josh Winky Very possible If you are not careful "trimming" 😂

[@Andy-ir1sj]

these nutzz !!

[@InsideOfMyOwnMind]

That's what she said.

[@Automotive_Solutions]

Nice video as ever. I've watched quite a few of the Magnet fishing videos from a guy over here in Scotland. Relic hunting Scotland is his channel. He's found all sorts. Quite interesting to watch.

[@bobmc4687]

Quite disgusting why Relic Hunting Scotland is sitting in prison too.

[@Automotive_Solutions]

Bob Mc just googled it. Oh dear, perhaps not the best recommendation then.

[@ktcgarage8572]

Awesome video man

[@Pablo_Automotive]

Great work Eric, merry chirstmas for you and your family =)

[@TheCraen]

wow the wife looking nice with her glasses :p

[@medranolopez3853]

Nice idea

[@erics9213]

Eric, would that missing O2 test option be available on the Varis or another diagnostic tool?

[@dassme1]

Thanks 4 the video eric !

[@91cblove]

surgical with that torch

[@15066bas]

Yup, nice, practice makes perfect not to damage the threads. Another method for seriously rusted studs and bolts is to heat them up slower clear through red hot and throw cold water on them to cool FAST. The nuts cool faster on the the bolt and result is a loose nut on the rusted stud or bolt what ever the case may be and then your not potentially melting the threads. It will work on anything but with larger the bolts it's harder is is to cool faster right down to getting a water hose and doing it twice. Haven't twisted a bolt off on 20 years.

[@donald1056]

1998 chevy s10 - both of mine are welded on - have to buy a new converter

[@adamking6419]

I once had a vauxhall insignia (European Gm) that I was chasing a o2 heater sensor fault on. Couldn't get heater to work ie no control side. was about to call the box. Then I found that it was turned on when you opened the drivers door .

[@dave468024]

Nice video buddy!! :)

[@rahrah8076]

Hey Eric ? have you ever changed the timing belt kit on a 2010 Dodge Charger AWD 3.5 litre?

[@cheth6296]

It sucks when it happens because it’s time lost. I feel for you because it happened to myself many times

[@twadam5218]

why was the driveshaft spinning on the rack ? Seems odd, leave it in neutral maybe ? edit: Just noticed after the install ... It was a stick shift in neutral, that explains it !

[@johnvillas2879]

is that the upstream sensor located before the catalytic converter or after. i have the same code on my 99 4runner 3.4L sr5

[@rmcracing69]

I have a Tacoma with the same 3.4L engine. Ive owned it since it had 30k on it. It's got 250k now, but its always been slow to start. A long crank time, like 4 times longer than this 4Runner. Does not matter cold or hot. Could this be the fuel pump pressure regulator? How can I check?

[@zoidberg444]

Nice. Is that thing a stick shift too? What a vehicle. 17 years of New York crust too. Not bad. So the heater circuit needed a higher amperage test light to work by the sounds of it. Interesting. Whoever stole the gasket and put the wrong part back in that box was a right wanker! I'd have smashed something if that had happened to me.

[@testosteroneinc.3800]

zoidberg444 I heard ya on the 5 speed manual. Hard to find on suv's today. Even small econo cars are going the way of cvt trans, due to epa mandated higher mpg. Just got a new 2017 Mitsubishi Lancer 2.0 with a 5 speed. There was only one more 5 speed forsale within 200 miles of me. Believe it or not, having a manual is safer. It forces you to stay in tune with the engine rpm. Less chance for mutli tasking around town.

[@snoopdogie187]

I've been looking for a used manual subaru and they are fairly extinct now. I talked to someone with a 5 speed who said they had to order it to get it. You can't just walk onto car dealership lots and get them anymore. At least not without getting lucky.

[@mindofencryption]

Ok, this real experience!

[@rjgraham81]

I work at a small shop in nc and I do obd2 inspections. we have a big problem with incomplete drive cycles. is there an affordable scan tool that does the check mode and does it work on most cars?