P0135: Locating upstream O2 sensor, bank 1 sensor 1 on V6 1mzfe engine (2000 Solara) - Toyota Nation Forum : Toyota Car and Truck Forums

Camry 3rd & 4th Gen (1992-1996 & 1997-2001)/1st Gen Solara (1999-2001) Toyota Camry Discussion for years 1992-1996 & 1997-2001, as well as Solara discussion for years 1999-2001. Topics of discussion range from fuel economy, safety, modifications, performance all involving America's favorite family car, the Toyota Camry.

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post #1 of 23 Old 07-15-2012, 02:47 PM Thread Starter
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P0135: Locating upstream O2 sensor, bank 1 sensor 1 on V6 1mzfe engine (2000 Solara)

Hi All,

I ran some searches but could not find good pictures or instructions for replacing this sensor. My car has cali emissions so I ordered the Denso 234-9009 Upstream A/F sensor (non-cali cars can get by with a cheaper plain O2 sensor, part 234-4622).

However, looking under the hood I couldn't find the location of this. I know its on the driver's side of the engine bay, between the engine and firewall but still not quite sure where to look. Any pictures or guidance is appreciated.

Thanks.


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post #2 of 23 Old 07-15-2012, 03:20 PM
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It's in the last pic you posted; just barely peeking out above the bundle of rubber hoses. Here's a DIY thread with more details... http://www.toyotanation.com/forum/10...placement.html

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post #3 of 23 Old 07-15-2012, 03:33 PM Thread Starter
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excellent, thanks! how much can i expect to pay a mechanic if i can't get to it myself?
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post #4 of 23 Old 07-15-2012, 05:05 PM
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Its nice when an o2 gives you an actual fault code, usually its a "lazy" situation that provides no codes. Good job getting the OE Denso. Makes a difference. Only challenge is getting it off after years spent on the hot rusty exhaust. The trick is try getting off when its "warm/hot" not so hot you burn yourself. A repeated soak with aeroKriol or P-Blaster is usually required to get things moving. Because this is a replacement, no need to worry about damage, a large pipe wrench or a large pair of vice grips works well. Putting back on use some anti-seize and a open ended wrench as not to damage it. If no anti-seize dont worry about it, will probably outlast the car.

Mechanic probably stick you for 2 hours labor. I can imagine a $120-$180 labor bill.

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post #5 of 23 Old 07-15-2012, 05:09 PM Thread Starter
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you guys have been very helpful. ill let you know how it goes.

on another note, the emissions is due in about a week and i may not have time to get this done before then. if i just disconnect the negative battery terminal and let the ECU reset before going in, will i be ok?
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post #6 of 23 Old 07-15-2012, 05:14 PM
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Best way to know if its fixed is let it go out on its own. Will be immediate to the next day.

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post #7 of 23 Old 07-15-2012, 05:18 PM Thread Starter
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no what i meant is that i will not have time to do this repair before my emissions renewal is due. so can i just disconnect the battery to reset the ecu and bring it in?
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post #8 of 23 Old 07-15-2012, 05:21 PM
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Nope. Those days are gone. They hook up a code reader, you will show status not ready, rejected. They will know.

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post #9 of 23 Old 07-15-2012, 05:26 PM
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A little more precise - If you disconnect and the light can stay out for a few days then you go in, maybe ok. But I think in your case that code will reappear almost immediately. You cant unplug, then dash for an inspection. You will fail light or not. Try testing it now, see what happens.

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post #10 of 23 Old 07-15-2012, 05:30 PM
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PS If you go a few days over on your sticker to get it done, doubt the cops will harass you. I went 6 months once, drove by them every day, they never bothered me.

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post #11 of 23 Old 07-15-2012, 06:01 PM Thread Starter
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in georgia we cannot apply for a renewal of registration without an emissions. and if you go late on the renewal i think there's a penalty of some sort. ill see what i can do to get it done soon though.
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post #12 of 23 Old 07-16-2012, 10:49 AM
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im in GA, and i had a EGR code... and i didnt have time to replace it.(still havent. lol)

and i just went to O'Reily AutoParts, had them reset my code via OBD hookup (which is free) and drove right to the emmisions place (5-7mi) and passed my test. ..... 2 years in a row.

it might not work for you, but it wont hurt to try as long as your light is still off when u get to the emissions place. bacause if you fail, just go back and retest when u can pass. you dont have to pay more than once.

GOOD LUCK!

edit:::

also, just fyi, the OBD hookup is behind the coin-holder on the left side of your dash. incase you didnt know.

and i think the penalty is $5. i got the penalty this year.... no big deal

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post #13 of 23 Old 07-17-2012, 09:18 AM
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Quote:
Originally Posted by hari-bhari View Post
Hi All,

I ran some searches but could not find good pictures or instructions for replacing this sensor. My car has cali emissions so I ordered the Denso 234-9009 Upstream A/F sensor (non-cali cars can get by with a cheaper plain O2 sensor, part 234-4622).

However, looking under the hood I couldn't find the location of this. I know its on the driver's side of the engine bay, between the engine and firewall but still not quite sure where to look. Any pictures or guidance is appreciated.

Thanks.
The code reported by your ECU is a non-CA spec code. AFR sensor ECUs report P1135, not P0135.

Here's what you're looking for:

Just look at the manifold, not the ancillaries or engine location.

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post #14 of 23 Old 07-24-2012, 08:31 AM Thread Starter
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thanks for all the help guys. turns out Jason was right, even though my hood said cali emissions, my car had the regular federal o2 sensor. don't know if that means the hood was changed at some point (bought the car used). anyways, since i didn't have the right part, my mechanic couldnt swap it out for me and i ended up just disconnecting/reconnecting the battery and taking it in for emissions to try my luck and it passed! now at least i have some time to order the correct part and attempt swapping it out myself. good news is that it wasn't jammed into place, so i shouldnt have any trouble removing it a second time.

thanks for all the help
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post #15 of 23 Old 07-24-2012, 06:18 PM
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California spec emission cars from Toyota used regular oxygen sensors until 1996 - but Lexus used A/F prior to 1996.

Toyota's California spec emission cars only used A/F from 1997 on.
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