Check Engine Light Due to Oxygen Sensor Failure on Toyota Matrix

Oxygen sensor failure may occur, resulting in the illumination of the Check Engine Light.



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Average mileage: 103,750 (15,000–210,000)
8 model years affected: 2003, 2004, 2005, 2006, more2007, 2008, 2009, 2010
45 people reported this problem
24 people shared problem details
2004 Toyota Matrix59,000
P0133 error code. Had Dealer perform TSB EG017-07. Still had error P0133. Replaced bank 1 oxygen sensor. Still had error P0133. Just found TSB EG045-07, which seems to also apply, but not covered by emissions warranty any longer. Debating what to do...
2004 Toyota Matrix91,000
Check engine light has turned on during the past three winters only when under 20 degrees always the o2 sensor ? Usually turns off on its own when whether warms up. Now being the fourth winter heck engine light has not turned off and still presenting o2 bank 1. Will install new o2 sensor asap
2004 Toyota Matrix105,000
Engine light came on every 2 weeks, even after the oxygen sensor (Bank 1 Sensor 1) was replaced. Eventually they found the problem to be a leaking intake gasket. Replaced it and have been driving for a week so far with no problem. However, there appears to be some leakage of oil!
2003 Toyota Matrix92,000
Engine check light on after oxygen sensor replacement, scan continues to reflect catalytic converter below threshold bank 1 but catalytic was also replaced
I have very upset. I have a 2006 Toyota Matrix. I had to take it in for repair/examination due to check engine light. Keep in mind I had to take it in to Toyota dealer several years back on a recall matter and the check engine light was on at that time. The codes with regards to the check engine light are as follows: P0741-torque converter solenoid likned to transmission and also P0171-system to lean bank one code. I was told when I took it to a Toyota dealer with online documentation with regards to both codes that they could not take care of it. I am not dealing with a shop and of course they want an arm and a leg in terms of payment. The shop gave me 3 different fees amounts $1100, 1600, 1400. If I merely just replace the torque converter that will cost $1100.00 and the paperwork stated, "this is possibly the problem," that is after a fee of $120.00 to per their add properly diagnoise the transmission problem. At this point I had to get my boyfriend involved. The conversation ended with me having to go with a rebuilt transmission becaues the transmission "may" go out not will. I point all fingers back at Toyota. There is a host of complaints online about transmission problems with no prior notification being given to customers. From this bad experience I will say 100% for sure I will never buy a Toyota again.
Check Engine light stays on all the time.
2003 Toyota Matrix85,000
sensor code on for bank 1 recommended from toyota to change both. After the work was done the light turned on and an engine computer code popped up. Undergoing additional tests for computer and electric. Pending....
2009 Toyota Matrix34,502
Was fine one day then not the next! Gas mileage went from 32mpg to 24 mpg.
my check engine light came on and was diagnosed as EVAP issue. tried to replace gas cap, engine light stayed on.
2005 Toyota Matrix20,000
not fixed light has been on since 20000 miles now I have 222000 miles
2006 Toyota Matrix170,000
Engine light continuously on. Mechanic took photo showing the O2 sensor is hanging off disconnected. He told me its damaged & need a new one. I didnt bother yet but eventually will. I drive a lot for the work I do & have only noticed a slight decrease in mpg. Doesnt seem that major of an issue.
2005 Toyota Matrix129,000
computer shows 02 Sensor problem, mechanic cant figure how to fix
2007 Toyota Matrix80,000
Check engine light and maintenance required light remain on, beginning in 2014. Have had it checked at Toyota Service several times over the years 2014-2015. Toyota Service cannot find a problem. Lights remain on.
2005 Toyota Matrix210,000
Engine light comes on frequently but also goes off frequently. Emission inspection failed due to torque Converter clutch circuit performance.
2003 Toyota Matrix15,000
Light on not fixed yet
Replaced exhaust system
2009 Toyota Matrix77,000
havent had it fixed yet
2003 Toyota Matrix200,000
check light came on and off between fueling, said it was o2 senors. replaced both and light came back on for the cat. got it changed now it says bank1. part store says it wont effect my gas millage but i know it is. so do i change the other cat out? and of course i get older car gets harder it will be on gas... car been week ever sense i got it thought it was normal.
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