I have been told I need to replace both oxygen sensors. I found this out after the check engine light came on and took the truck into the local dealer. The dealer has indicated the rplacement will be $545 dollar but if they have seized up the cost will be an additional $1700 if both are seized and half this cost if only one has seized. They did say that neither may have be seized. Does this sound right?
O2 sensor replacement on 2001 Toyota Tundra
by tyler greeson in Nampa, ID on September 26, 2009
4 answers 1 comment
ANSWER by sinautoscan.com on September 26, 2009
Yeah it does the dealer will charge you an arm just about for anything your better off going to your local muffler guys they can give you a better price.
ANSWER by dandd on September 26, 2009
What is the code or codes, then I can tell you. I have yet to see a Toyota Oxygen Sensor seize in over 22 years of working on them, ever. I don't know why you need sensors, they usually go out 1 at a time.
COMMENT by Visitor on August 30, 2010
I have a 2005 4.7 tundra 4wd. I have a code po172. i replaced both o2 sensors on the driver side. the code came up again 1 month later. It usually come on while im idling. Without spending hundreds of dollars replacing parts what is the best way to diagnose the problem. Thanks
ANSWER by Visitor on October 11, 2010
i have a 2002 tundra extended cab limited 2wd and the same thing happened to me it was going to cost me 1700 both were seized @ 50,000 i had to replace both manifolds and sensors , i got toyota to pay for one of the manifolds.
ANSWER by Visitor on October 29, 2010
The check engine light kept coming on all the time. We had a engine diagnostic done and all it was was a gas cap replacement.
One or more oxygen sensors may fail resulting in illumination of the Check Engine Light.
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