I have a 2000 Toyota Tundra, engine light came on. Code...

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Question by zack72
Submitted on 1/19/2004
Related FAQ: Toyota Tundra FAQ
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I have a 2000 Toyota Tundra, engine light came on. Code P0155 was retrieved from the vehicles computer. The description for this is 02 sensor heater circuit malfunction (bank 2 sensor 1). Where is this located in the truck? And is it a normal failure for a 3 ½ year old truck?

Answer by Rocketman
Submitted on 4/16/2004
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Hey zack72, The Your Tundra comes with 4-O2 sensors in it. 2 up front and 2 in back. If your getting a code PO155, its the front O2 sensor on the passenger side of your. Rocketman

Answer by phil
Submitted on 5/27/2004
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I have a tundra, 2000, SR5 and have just received a 7yr/90,000 oxygen sensor warranty enhancement notice from Toyota covering the P0135 and P0155 diagnostic codes. Check with a Toyota Service Center. It appears to cover 2000 through mid 2002, V8 (2UZ-FE engine), Number 1 oxygen sensors.

Answer by filhiol
Submitted on 5/31/2004
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I have a 2002 Tundra V8 and had to have one of the oxy sensors replaced under warranty about a month ago at 13,000 miles. The truck was built in January 2002. Is it covered under the 90,000 mile warranty? The dealer where I took it for replacement stated that they are replacing them daily and considers it a real problem with the Tundra.

Answer by pilot car
Submitted on 10/17/2004
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have Toyota tundra hade it checked its. o2shows malfunction bank 2 sensor 1 year 2002 where is it located oxgen sensor

Answer by BigG
Submitted on 12/20/2004
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I have a 2000 Tundra with 62,000 miles, and the "Check Engine" light came on. I went to the dealer (Unnamed) and the diagnostic showed PO135. (Driver side front oxy sensor) He told me that the warranty on them was 8 yr, 90,000. He then told me he was ordering the sensor and the manifold! He said there have been lots of issues with exhaust manifolds, and that if the sensor was rusted on to the manifold, it could break off and really be a problem. They are both warranty No Cost :) to me. FYI- Another thread said that Toyota had issues with cracked manifolds, and that in turn could cause the oxy sensor to heat up and fail.

Answer by Steve57
Submitted on 1/3/2005
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The check engine light recently came on in my 2000 Tundra w 39K miles. I also recieved the warranty enhancement notice as well. The way it reads is very subjective because the chek engine light can indicate a number of things. So the dealership charges about a $100 just to check with the computer. And if it is the o2 sensor all is well because of the warranty. However if the diagnostic indicate something else.... well there goes a $100....plus..plus.... Not to mention if it's not covered under warranty, there's always a couple of hours labor regardless.

Answer by maximus
Submitted on 4/11/2005
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i have a 2002 toyota rav4 the service agent told me that my oxygen sensor is bad he said bank 1 sensor 2 where is this sensor located front or back and is it easy to replace thank you in advance

Answer by Buddy
Submitted on 8/21/2005
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I got a check engine light on my 2002 tundra checked out "free" at auto zone. It read "P0135 Bank #1 Sensor#1 Sensor Heater Circut Malfunction" Is this caused by an O2 sensor. I've had to replace one already.

Answer by joe_sama
Submitted on 4/17/2006
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I have a 2000 Toyota Tundra, engine light came on. Code P0135 was retrieved from the vehicles computer. The description for this is 02 sensor heater circuit malfunction (bank 1 sensor 1). Where is this located in the truck?

Answer by fatchance
Submitted on 10/20/2006
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Bank 2 Sensor 1 is the front passenger one (BEFORE the catalytic converter). I Have 2001 Tundra. One O2 sensor replaced at 24,000 miles. Another one just went out at 61,000 miles. Dealer says they have never heard of the extended 7/90,000 mile oxygen sensor warranty and is NOT under warranty. Awaiting reply from Toyota Motors on this. If Toyota Motors says there is no such warranty, then I will replace myself. Generic OEM part is $100-130.00. Toyota wants $250.00 for theirs.

Answer by mostsleek
Submitted on 1/13/2007
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Well I have a 2000 V8 Tundra and the O2 sensor was going about every 3000 miles, it was a good reminder to change the oil. When Toyota would replace it, they would strip the threads on the manifold, so Toyota would have to replace it. No big deal when under warranty. Now that I am out of warranty...it is approx $500 to replace it becasue of the manifold issue. I also got the letter explaining that they were under an extended warranty, but the dealer, Lipton Toyota in Florida, will cover only the O2 sensor + labor, it it strips the manifold I have to pay for it.

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