Question about 2004 Toyota Sequoia

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How to swap front oxygen sensor in 2004 toyota sequoia

How to swap front oxygen sensor in toyota sequoia 2004 its on passanger side in front, code p0051 bank 2 sensor 1 bad, do i have to take off the cover

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Toyota Sequoia has 4 oxygen sensors. Two on each side. The ones in front of catalytic are pos 1 and after are pos 2. Bank 2 is on passenger side, Bank 1 is on driver's side.
Code P0051 bank 2 sensor 1 bad:
Replace O2 sensor ($75-150 depending if OEM) before catalytic converter. need O2 socket ($10) to get at and tough to get to if vehicle isn't at least on a ramp. Repair time around 30 minutes. Have to have lights reset.

Posted on Jul 28, 2010

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Posted on Jan 02, 2017

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Toyota sequoia p0018


Here's a link to your P0018 code and causes,I had a 2004 Tundra,bought new,paid 31 grand,water pump started leaking,took to Toyota dealer,they put new timing belt and pump on and had no problem,only had 50,000 miles on it,but these vehicles are known for water pumps going bad.It cost me 1100.00 dollars.Sold truck,had 70,000 miles on it,had the 4.7 engine,had 2 oxygen sensors replaced by Toyota,was covered under warranty.The fuel injectors got clogged up,Toyota charged 99 bucks,it lost power and afterwards it would fly again.I would take to Toyota and let them check it out,here's the link I promised. https://www.obd-codes.com/p0018

Aug 02, 2017 | Cars & Trucks

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2001 Toyota Sequoia Oxygen sensors


No the wires won't likely be the same length

The front upstream sensors, are not the same
Part # as the rear,downstream monitor sensors

Go to Rock Auto.Com & look up your oxygen sensors
I would get the NTK or Bosch,if they have that

You do not replace the rear sensors, until they fail

You replace the front ones at 100,000 miles or sooner,
if they fail

Jun 02, 2012 | 2001 Toyota Sequoia

1 Answer

2001 Toyota Sequoia O2 sensor locations and fix


O2 sensor is mounted on exhaust system near engine before cat converter can't help with rest of question sorry

Jun 02, 2012 | 2001 Toyota Sequoia

1 Answer

Can you send me the rear passenger oxygen sensor location diagram?


The Sequoia has two oxygen senros that are bolted into the exhaust pipes coming out of each manifold. They are located roughly under the front seats. There is a known problem with the Sequoiua's oxygensors not being properly bolted into the flange. The two nuts will cecome loose and fall off, and if you suddenly accelerate, the oxygen sensor pops out (of course it will be dangling). You have to put it back with new gasket and new nuts.

Feb 13, 2012 | 2001 Toyota Sequoia

1 Answer

2004 Sequoia B2S1 o2 sensor - where is this located and is it easy to replace? Thank You!


Toyota Sequoia has 4 oxygen sensors... two on each side. The ones in front of catalytic are position one, and, after are position 2.

Bank 2 is on passenger side, Bank 1 is on driver's side.

Hope this helps (remember to rate and comment this free answer).

Sep 21, 2011 | 2004 Toyota Sequoia

1 Answer

I have a 2004 Toyota Sequoia and the VSC TRAC and TRAC OFF lights are on how can I fix this and what causes it. I recently Changed the Front Rotors and Break Pads, and Rear Break pads trying to remedy...


It's probably an O2 sensor. I've had the same issue with O2 sensors failing. Go to Autozone and have them read the code or buy a code reader for $40-60 and read the code yourself... it will tell you which one is bad.

Oct 18, 2010 | 2004 Toyota Sequoia

1 Answer

What does it cost to replace an oxygen sensor for a 2004 toyaota sequoia


OEM $110 Aftermarket $65 Approximate cost for part. Labor, usually they want to charge you a diagnostics fee regardless of $45 +/-. and $65 an hour depending on shop rate.

Feb 03, 2010 | 2004 Toyota Sequoia

1 Answer

I have a 04 sequoia and the codes p0031 and p0051 are coming up. How do I fix this?


Trouble code P0031 means: Oxygen Sensor Heater Control Circuit Low - Bank 1 Sensor 1 .
Error code p0051:replace O2 sensor ($75-150 depending if OEM) before catalytic converter. need O2 socket ($10) to get at and tough to get to if vehicle isn't at least on a ramp.

Nov 22, 2009 | 2004 Toyota Sequoia

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MY 2003 TOYOTA SEQUOIA GOT ENGINE AND VSC LIGHTS ON. ON THE DEALER, THE COMPUTER READ A OXIGEN SENSOR B1 S1Y GOT THE PART, I NEED TO KNOW HOW TO INSTALLED AND WHERE IS LOCATED.


That model Sequoia should have four oxygen sensors. There will be two in each exhaust line. One will be in front of the catalytic converter, and one will be behind it.

B1 should mean bank one. This is the driver side. S1 is probably the oxygen sensor located before the catalytic converter; however, I am not certain of the number sequence here.

The sensors screw into the exhaust pipe. They will have wires coming out the top.

Oct 20, 2009 | 2003 Toyota Sequoia

1 Answer

Air/fuel metering throwing a check engine light


sounds like it is 1 of the oxygen sensor (o2 sensor)
posible the one in front fo the catalytic converter on the passanger side

May 06, 2009 | 2004 Honda Civic

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