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65,000 mileage 2001 Toyota Tundra check engine light...

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Question by Ed Garbo
Submitted on 8/13/2003
Related FAQ: Toyota Tundra FAQ
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65,000 mileage 2001 Toyota Tundra check engine light constantly on; What's wrong?

Answer by yota joe
Submitted on 8/19/2003
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The first thing I would do is find a friend with a code reader. You are probably going to find a bad OXY sensor.


Answer by Karl
Submitted on 11/6/2003
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For me it was the oxygen sensors.  Autozone has an engine diagnostic unit and can tell you why your light is on.



Answer by arnie
Submitted on 12/26/2003
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Just got my Tundra back from the "check engine light". Two up front sensors to the tune of $468.00.


Answer by jonah
Submitted on 12/28/2003
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My check engine light came on after i was messing with an aftermarket intake, the car struggles at 3,000 rpm. and sometimes requires me to start twice to actually have the engine going,  everything else seems to be fine, but the truck just hesitates when i try to speed up. I took it to a shop, the guy charged me 50 dollars to check it out, and had no answer for me, i figure the mechanic didn't now what he was doing, or that the truck is just too new. its a 2002 tundra 4x4 sr5. and the code that came up was po100. i hope someone knows the answer out there.


Answer by Matt
Submitted on 1/6/2004
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I have a 2000 Tundra v8 Limited Access Cab and have a K&N Intake and TRD dual exhaust. When I did the intake the engine light came on descibing the engine running too lean. There was TOO MUCH air coming in and the computer could not compensate within the ' nominal ' range so the light came on. Tape up a quarter of the intake filter and cycle the key 5 times but do not start the truck. This will reset the system. If the engine light is still on you can disconnect your battery for a period of at least 45mine. Then reconnect. If your engine light still persists get it read and see if you have an error other than fuel mixture too lean.


Answer by roberto
Submitted on 1/8/2004
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to jonah your problem on p0100 is the air flow meter, problely was disconected at the time you started the car,or the air flow meter is gon burn for some reason .
But you may check a few things if you have a tester .(I'm a car electrician )
If you now were this component is (rigth next the air filter) you will see 5 wires , you may check is there is power to the (RED) wire must be (+) in there , and (-) to the (green whit white) that is all tou can check to a moment , if you have all that (power and ground ) and is the plug is conected ,maybe is a cable  broken some were you have been workin,or the air flow is not good .
att Roberto ruiz  aranao@sbcglobal.net


Answer by jwpdx
Submitted on 2/1/2004
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I have a 2001 tundra. Bought it new and have only driven it 21,000 miles. Check Engine light just came on and the vehicle is 2 months out of warranty due to time. $263 to replace a single front Oxygen sensor. The dealer (Gresham Toyota) said the sensors on Tundras were awful and that the 'newer' ones were more reliable. The dealer also said that 'miles' didn't seem to matter, just time. I'm going straight to the manfufacturer on this.


Answer by tombostoyota
Submitted on 2/9/2004
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I have been having a problem with my 1990 Toyota p/u and was wondering if anyone can help.  After i drive it for a little while it starts acting like it wants to cut off, it will keep dying down then reving up.  Some people have told my that it is because i am running straight pipes with no converter.  any ideas?


Answer by KK
Submitted on 2/11/2004
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I have a 1991 Chevy Excab. Same thing with the Check Engine light on. I've Changed Air filter, PVC valve / Hose, Fuel Filter, Oil / Oil Filter, Tune Up and still. It only comes on at high speed  65-80+ MPH. Anybody have a fix ??


Answer by JG
Submitted on 2/19/2004
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I also have a 2000 Tundra Limited Access Cab and the same thing happened to me a few weeks ago. Driving down the highway and engine light comes on. Took it to Toyota and they hooked it up and said I had a hot O2 Sensor. I think it is totally wrong that Toyota does not cover this problem, especially if it is happening so frequently.


Answer by Matt
Submitted on 4/6/2004
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I have a 2001 Tundra and I had the drivers side O2 sensor go out about a month ago and they fixed it under the 'good faith' warranty.  Now I take it back again becuase of the light and they say it is the other side now...They want 314.00 for one!!!
Does this really need to be fixed?


Answer by Steve
Submitted on 4/6/2004
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Check engine light came on during normal driving.  Took my 2001 Tundra sr5 access cab directly to the dealer.  They replaced the front oxygen sensor under waranty (expiers August 04) at no charge.  No price listed on the bill I received but the warranty bill I had to sign said $130.00 dollars for part and 30 min labor was listed.  Sunny King Toyota.


Answer by blackburn
Submitted on 4/12/2004
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my o2 sensor is bad on my 2002 tundra. it is to my understanding that there is a great chance that something (some manifold thing)will be stripped costing me over $400. if the o2 sensor is covered under warranty, and the mechanic strips the thing while removing, how is it that i am responsible for the cost of a new one?


Answer by SteveF
Submitted on 4/16/2004
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I have a 2000 Tundra with a lot of miles. The Engine light came on around 80k miles. To get inspection I had to get the light issue resolved. Yep, O2 sensor that cost around $280. 4 months later (Nov 03) the light comes on again. I'm guessing the other O2 sensor but last night the engine started running rough like 6 or 7 cylinders, and the light is blinking.  So, yeah, you probably want to check it out before getting to this point.  Does anyone know what this might be?  I get a slight hint of Catalytic converter smell.


Answer by Scott S
Submitted on 4/22/2004
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2002 Tundra,
52K miles, so out of warranty.  Engine light comes on, dealer tells me two oxygen sensors need replacing. Says this is indicative of "unburned fuel" in the system, and over time this will harm the catalytic converter (20K miles or so). Recommended remedy is to replace the two oxygen sensors.  I'm not educated on mechanical matters, but how are replacing two "faulty" sensors going to fix the situation of "unburned fuel" in the system?


Answer by GCKoch
Submitted on 5/17/2004
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The sensors are read by a program that controls the air flow. (The dealer should replace all O2 sensors under warranty.)


Answer by JKing
Submitted on 5/21/2004
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I have a 2001 Tundra 30,000 miles.  Getting the third O2 sensor replaced in two weeks.  I received a letter in the mail from Toyota stating that they would replace O2 sensors for free and reimburse those who have already paid for them.  If you didn't get this letter I would contact Toyota or the private party who you bought the truck from.


Answer by Ronald Wozniak
Submitted on 5/22/2004
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1994 Toyota 4x4. Starts up beautiful. Let is sit for a few minutes and hesitates to start briefly. Starter is new,as is fuel filter, and air filter. Once engine cools down after several hours, there is not hesitation on starting.


Answer by DaveT
Submitted on 5/27/2004
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I've got a 2000 Tundra with a lit check engine light.  It started stalling when sitting at lights and has a noticeable dead spot during acceleration (not to mention a tinny rattle on acceleration).  I scanned it and got the 'System too lean' and 'Catalytic converter operating below threshold' codes.  Had the O2 sensor replaced and the throttle body cleaned.  2 days later the light came back on with the 'system too lean' code again (and still had a dead spot and tinny rattle on acceleration).  No one seems to no what the problem is....any ideas?  MAF sensor?


Answer by filhiol
Submitted on 5/31/2004
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Year 2000 through 2002 Tundras have an extended warranty of 90,000miles or 7 years for the oxy sensors. The dealers have been advised of this. The dealer where I had one of mine on my 2002 Tundra replaced under warranty at 13,000miles confirmed this about a month ago.


Answer by RT
Submitted on 6/18/2004
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I read the FAQ from "filhoil" on 5/31/2004 after a friend had alerted me about the updated faq.  I called Toyota North America and asked about the warranty on the sensors.  They took down my VIN and looked it up in their database and showed that my 2000 65k miles Tundra qualified for the extended warranty.  Again the warranty is good up to 90k miles or 7 years.  First I took it to Autozone for the free checkup and it indicated that Sensor 1 Bank 2 was bad.  Called the local dealer and they ran it through their analyzer and same thing.  They ordered both front sensors cause it is a replacement kit for both.  One of the sensors froze on the driver side exhaust manifold and they replaced it NO CHARGE cause of the sensor.   Got back my Tundra after a few days and works great.  Exhaust doesn't smell like raw fuel anymore.  Note: make sure they reset the CHECK ENGINE light AFTER they have installed the sensors.  I had to make another trip for that.  According to the Toyota tech. the sensor codes are as follows:
SENSOR 1 - front
SENSOR 2 = rear
BANK 1 = passenger side
BANK 2 = driver side


Answer by davidbev008
Submitted on 8/29/2004
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I just bought a used Tundra (2002) V8 a couple days ago.
It ran just fine for a couple days, but when I pulled into a gas station, almost at an idle, the truck just died.
The engine seems to run fine, but when move the shift lever to D, 2, L, R the truck shuts down.
Not sure if it is a tranny problem or sensor, checked all the basics. The truck is has another 1000 miles left on the 60,000 mile warranty.
What do you guys think could be the problem, is this common?
Thanks for any help.


Answer by sippigurl
Submitted on 9/2/2004
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Thank all of ya'll so much.  Had my 2001 Tundra in the shop this morning for the second time in 5 months (only had it for one year), for another OXY Sensor.  He told me he wouldn't charge me this time, but didn't tell me why, now I know.  Just got off the phone with the corporate office and they are confirmed it and are gonna refund my $50 deductable from the first one in March.  THANK Y'ALL AGAIN!!!


Answer by John
Submitted on 10/2/2004
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I have a 2000 Tundra TRD.  I've had both O2 sensors replaced upstream of the catalytic converter and now have the engine light on again about 10 months later, I also did add a K&N airfilter about a month ago, like an idiot.  I've had it scanned and found out now sensor 2 bank 2 is out, which is downstream of the catalytic converter.  Is there a cheaper fix than the $165 sensor from Autozone?  I also noticed someone earlier said something about Toyota paying for this.  Can I recoup my cost of the other sensors or is that impossible?


Answer by TC
Submitted on 10/11/2004
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I have a 2000 Tundra.  Check light came on at 10K miles, they replaced an O2 sensor, was fine until a month out of warranty, then check light on again.  Dealer said (as well as Auto Zone)it was Bank 1 Sensor 1 and would cost $325... I declined, no engine troubles.  A year later got the recall notice and had the two sensors replaced.  Check light was out for 1 day and came back on.  Now they say it's Sensor 2 Bank 2 and is not part of the recall....  I just bought a universal one at Auto Zone and going to replace S2B2 tonight to see if it fixes it...  anyone else have this "moving" diagnostic problem?


Answer by TC
Submitted on 10/12/2004
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I believe the Sensor locations are as follows, not as indicated by RT:

SENSOR 1 - front
SENSOR 2 = rear
BANK 1 = driver side
(my Toyota document says left exhaust manifold, I assume left is drivers side)
BANK 2 = passenger side
(my Toyota document says right exhaust. manifold)


Answer by Bill_K
Submitted on 11/21/2004
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For issues with the K&N filters, the problem is the oil from the filter clogging the Mass Air Meter, or equivalent device. When it's clogged, the Meter will indicate a reduced amount of air-flow when really there is a normal amount of air flow into the engine. The engine thus tunes the air/fuel mixture to the perceived amount of airflow, which is reduced, not the actual flow. Since more air is going in the engine than is being reported by the sensor, the mixture becomes excessively lean and throws an engine code. The engine programming has set boundaries on the air/fuel ratio map for different airflow readings, and once the engine reaches the boundary, in this case maximum richness for the perceived flow, it will not keep enriching the mixture. The solution is to get rid of the K&N filter, which will continue to clog any new meter that you put on the engine, and try to clean the Mass Air Meter. Most of the time they have to be replaced once an engine code is thrown because the sensor is delicate and is not repaired practically.


Answer by JD
Submitted on 11/23/2004
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RT'sanswer was right on the money!!!  If you have a Check Engine light on your Tundra (or Tacoma) and it is model year 2000 - 2002, call Toyota North America 800-331-4331 x3  and they will tell you everything.  Have your VIN # handy.  I just got off the phone with them and I was very impressed with Toyota North America's representative.  He was knowledgeable about recalls, warranties, Special Service Campaigns as well as contacting my dealer for me and telling the service dept directly what warranties (90k & 7yr for O2 sensors 1 Bank 1 or Bank 2) were covered on my truck.


Answer by Teresa
Submitted on 12/1/2004
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I have a 2001 Tundra Limited. At 37,000 miles my check engine light came on. I took it to Baytown Toyota and they tested it. I had one 02 sensor out in the front. I left my truck with them to have the sensor replaced. They called me at work and told me the sensor was froze up. It would cost me 600.00 in labor to replace the one sensor. I couldn't believe the price. I didn't authorize any work to be done. When I picked up my truck I bought only the 02 sensor for 135.00 and had to pay 85.00 for the test. I then took my truck a month later to Tejas Toyota. They ran the test there and at that time the other front sensor was out too. My truck needed inspected in 2 mo so I had no choice but to have them replace the sensors. I gave them the sensor I had previously bought and left my Tundra. When I went to pick up my truck my total price was 1004.00. So I paid a total of 1139.00 to replace both front sensors. Even arguing the labor got me nowhere. I have never come across anyone else who paid such an exhorbitant amount for labor to replace sensors.I did receive the updated warranty info about 6 mo later and was reimbursed by Toyota Corp. I received the check on Mon and Tues morning my MY CHECK ENGINE LIGHT CAME ON. I'm now at 67,200 miles. The other unsettling thing about all this is I have the Tundra Limited w/leather interior. Within 6 mo the side of the front seats started cracking. I did some research and found out that SOME of it is leather, the rest of it is vinyl. I paid for leather. My lease on this truck is up in 9mo. Not soon enough. Needless to say, I won't be buying another Toyota.


Answer by dewalt
Submitted on 12/6/2004
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Where exactly are the front two sensors located?  I found the back two.  Thanks.


Answer by swisscnc
Submitted on 12/12/2004
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buy ya a new car,and there is no broblems more.


Answer by TNPDAD
Submitted on 1/4/2005
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I own a 2001 Tundra SR5 with 41,000 miles on it. The first oxygen sensor went bad at 35,000 miles and was covered under the 3 year/36,000 mile warranty. The check engine light just came on and the Toyota dealer told me it is the other O2 sensor. Wanted $252 plus labor.
I called Toyota North America and was told that there is an "Enhanced Warranty" on the O2 sensors for 90,000 miles and this one too would be covered.
Dealer checked it out and is ordering the parts. Obviously there is a problem with the O2 sensors, so do not pay to replace them. Call Toyota or the dealer.


Answer by Joe
Submitted on 1/28/2005
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What great news.  Mine is a 2000 with 53,000 mi.  Two of the sensors were replaced after the light came on around 22,000.  I just took a peak at the instruments when I shut it off this evening and at least I had experience with the light.  Off the Kearny Mesa Toyota in the morning for the diagnosis.  Here is hoping it is only the O2 sensor(s).  Bad design I guess and this is after the nightmare of dealing with the warping rotors on the front.  Thanks for the great info on the extended warrantee.  Joe


Answer by scooby
Submitted on 2/2/2005
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Get your money back if you already paid for the O2 sensor replacement.  It's covered under an extended warranty from Toyota.

Tundra V8 2000-2002 Oxygen Warranty Extension
7 yrs/90,000 miles
#1 Oxygen Sensor

1. Copy of Repair Order
2. Proof of Payment
3. Proof of Ownership
Toyota Motor Sales USA, Inc.
Customer Assistance Center
Dept. WC10
19007 Southwestern Ave.
Torrance, CA 90509


Answer by randijoe
Submitted on 2/19/2005
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I have a 01 tundra. I have had numerous problems with my Check Engine Light.  First time bad sensor.  Second time clogged fuel injectors.  Third time who knows???  I've recently had a bad transmission with only 60k miles.  Pretty much just city driving and trans goes out. So I had the trans repaired. Maybe there is a link with a trans sensor and the check engine light.  So I went to the local dealer.  They've indicated they reset the OBD II and no other problems were identified.  Next day check engine lights up again.  Does any one know if a bad sensor can send intermittent signals were sometime it may not be there when the dealer hooks it up to the computer?


Answer by John
Submitted on 3/8/2005
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Toyota has an extended warranty on oxygen sensors on 01 to 03 tundras (7 years or 90M miles) in which they cover all costs of replacement.  Call them.


Answer by Jimbo2000Tundra
Submitted on 3/15/2005
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The check engine light on my 2000 Tundra came on at 54,000 miles.  I brought it in to the dealer yesterday - The Oxygen Sensors are covered up to 70,000 miles - there should be no questions asked from your dealer - if there is, bring it to another dealer...I use Condit Toyota in Newton, NJ - the best dealer for service related issues...Good luck - the code that came up as per the dealer was PO.135


Answer by Tundra Ed
Submitted on 4/21/2005
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I have a 2000 Tundra V-8 SR5 Access with 79,000 miles.  At 69,000 miles, the check engine light came on & the dealer replaced the Bank 1 & Bank 2 Oxygen sensors at no charge (up to 90K miles).  Now, 10,000 miles later, the light is on again and the 2 back Oxygen sensors are acting up.  And, you guessed it, these 2 are not covered under the extended warranty.  I called Toyota North America (800) 331-4331 & they confirmed that the rear sensors are not covered under the 90K mile warranty, just the original 3 year / 36K mile warranty.  So, I guess I'll be plunking down about $275 for the dealer to replace them...


Answer by trothatl
Submitted on 4/27/2005
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The warranty "enhancement", as Toyota calls it, only covers the Number 1 Oxygen Sensors, but covers both Bank 1 and Bank 2, according to the notice I received from Toyota.  I had already replaced both No. 1 sensor banks, and Toyota was very quick about reimbursing me after I submitted receipts for the work.

However, a month after getting a check, one of the No. 2 sensor banks went out and I had to pay about $250 to have it replaced.  The dealership told me that the No. 2 banks aren't covered under the warranty enhancement.  I'm planning to contact Toyota anyway and ask for reimbursement.


Answer by KatyClaire
Submitted on 9/10/2005
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2002 Tundra, 93,000 miles.  I rear ended another vehicle causing moderate front end damage to my truck.  Other than body work, the radiator had to be replaced.  I picked up the truck from the body shop and 2 days later the ABS light came on.  2 days after that, the Check Engine light came one.  I took the truck back to the body shop and they said the ABS light coming on was something they would fix but they said the check engine light had nothing to do with the accident.  Does anybody know whether the accident or the work the body shop did under the hood could have affected anything that would cause the check engine light to come on?  I hope it isn't the 02 sensors because I'm over the 90,000 miles...


Answer by TBoz
Submitted on 9/13/2005
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I've got a 2001 Tundra V8 that just had the check engine light come on.  About 3 days prior, I noticed a rattle (exhaust was my guess) start during acceleration.  

I took it to my dealer (Dublin Toyota) and they have confirmed that I need new O2 sensors (which was my initial guess).  The real caveat, though, is that they say I need to replace all the catalytic converters (the rattle noise) for a total bill of $5000!!!!

What a joke!  I bought the Toyota b/c I didn't want to deal with dumb issues found on American trucks (I used to work as a mech. at a Chev dealer).  This is not what I had in mind....


Answer by Anthony
Submitted on 10/21/2005
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Answer by EJurgensen
Submitted on 11/8/2005
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I have a 98 toyota tacoma 4x4 and after 97K miles my check engine light came on.  I was wondering if anyone has an idea what could be the problem?  


Answer by larry
Submitted on 11/9/2005
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My Tundra 01 exhaust manifold is cracked on the drivers side is this a hard job to do for a average mechanical guy at home?


Answer by kike
Submitted on 11/21/2005
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i own a toyota rav 4 98 with 114.150 miles and the check engine light is on since two days ago before it was fine but about a month ago the light was on what do u think  the problem is?


Answer by Rick Duncan
Submitted on 11/29/2005
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i have my 2001 tundra in the shop right now with the check engine lite on the dealer just call said it was the oxy sensors and i was out of warranty but i have the extended warranty i almost got screwed but i talked to the factory yesterday and they told me they extended the o2 warranty's watch those dealers!!


Answer by RAV4 WILLJ
Submitted on 12/3/2005
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I bought my RAV4 new in 96 and after a month had noticeable change in driving with hesitation and occasional stalling (about 1 time per year or so after long trips).  After many returns to the dealer, regular maintenance and extra work performed at my request it took 8 years to solve.  It turns out that the throttle position sensor was faulty, and eventually failed completely after 8 years. As soon as it was replaced @ around $600 the car has never run better since the day I drove away from the dealer.  Interestingly there was never during any of this time or eventual failure that the check engine light came on.


Answer by nitemaher
Submitted on 1/11/2006
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2000 tundra running on 7 cyls is comon on hi milage tundras and will code random/multiple cylinder misfire detected  and can  by repaired by replacing a cop (coil on  plug)  module from napa 4 just under 70 bucks 2000 v8 tundra uses pn# denso 90919-02230 and from napa thay call it (ic336)
on my old tundra it codes multiple when in fact only one is bad
keep a spare in the glove box and the wrench if you got more than 100k on your truck or be prepaired to order the part cuzz no one keeps um in stock
good luck
paul in florida


Answer by Tim K
Submitted on 1/14/2006
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called dealer and they confirmed the extended warrenty. They replaced both manifolds with the sensors.

cant complain


Answer by PA
Submitted on 3/15/2006
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  Just changed 2nd O2 sensor in two weeks on a 2000 Tundra. Can you just call up any Toyota dealer and ask for extended warranty. Can I bring them receipts from where work was done or does it have to be by a dealer. I've got 47K on my odometer. Thanks


Answer by bigcountry
Submitted on 3/21/2006
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I bought a 2000 Tundra Limited a month ago and I had it checked after it stalled and the light went on yesterday.  Can went off again 6 hours later.  The diagnosis is the accelorator pedal sensor.  That will cost me $355.  About the O2 sensors...my buddy has the same truck and has replaced two after 70k.  Since my truck is under the 7 year deal, can I have them all replaced before they go bad?  


Answer by the sultan
Submitted on 5/15/2006
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to all of you i am an automotive engineer in my experience if you mess with your exhaust or intake system your car will run badly especially if you have an air flow meter they are suseptable to oil and water (o what a surprises just what a k an n filter let threw) unlike the factory paper element filter witch stops both of these
again for your exhaust if you mess here you are altering with back pressure witch is there for a reason
when you change back pressure in your exhaust you have to change the position of you exhaust cam to account for the change in gas flow witch is kind of difficult if you only have a sohc not a dohc engine
in my experience car manufactures put things on your car for a good reason
so if you want strait threw exhaust boxes and performance filters, be prepared to pay the price of a new afm/engine for the sake of a few more horse power
if not don't do it


Answer by meeklo707
Submitted on 6/7/2006
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i have a 2002 toyota tundra trd v8 and my check engine light came on. i took it to auto zone were they did the free test. it was my O2 sensors in the front i took it to a toyota dealer ship to see how much it was to fix. FREE.............Theres a recall on the toyota to replace the O2sensors..YEAH!!!!!!


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Submitted on 7/24/2006
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Answer by CJK
Submitted on 8/8/2006
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I just had my o2 sensors changed on my 2002 Trundra @ 79,000 miles.  The extended warranty covered the repairs however the overall cost was $1,500.00.  The dealer decided to replace the exhaust manifolds x2 because the 02 sensors were stuck to them.   New buyers, consider the extended warranty offered at purchase.  It could save you a lot of money when your sensors go out.   Also to Autozone recommendation way excellent.


Answer by toyotaguybubba
Submitted on 8/30/2006
Rating: Not yet rated Rate this answer: Vote
2003 4runner w/v-8 iFORCE, i took the y-pipe and third (unsensored) "cat" off and had duals ran to the back. typically my mechanic friend and i thought this should not interfear with the cpu. however a day later the engine light, vsc trac, and vsc off lights came on! the trouble code has nothing to do with the vsc system. it reads "catalytic converter insufficient". now i just spent a lot of money to have this done.(stainless,and 40 series flowmasters) i love the sound and don't want to give it up. my dilemma is the engine light has to be out to get it inspected next 2 months. can a resistor or some small modification fix this? does this set-up need more back pressure to keep the no.2 sensors in range? help please this set up kicks ass and i don't want to loose it, or the money i'veinvested.  


Answer by toyota sucks
Submitted on 11/8/2006
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Toyota tundra sucks cheap sensor.  Can't wait to trade my in.


Answer by tfcheng
Submitted on 11/27/2006
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hi, i also experienced an engine light on situation. but that is my airflow mixture gone bad (toyota echo 2000). after replacing that part, the light is off. but i wonder what can cause that airflow mixture to malfunction?



Answer by fishbike
Submitted on 11/28/2006
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I have a 2000 Tundra.  The first O2 went at around 40K - cost me $240 or so.  Then I received the extended warranty letter so I went back to the shop and was reimbursed.  At 60 K another failure - it was covered by the 90K/7 year warranty extension.  I now have 88K on the rig and the light just came on AGAIN.


Answer by JosePuto
Submitted on 3/27/2007
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Your gas tank lid was not screwed on tight enough - read your manual, dummy!


Answer by abishop
Submitted on 3/28/2007
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My check engine light came on on my 2001 Tundra V8.  I was ready to buy a code reader, then opened the hood and saw a vacuum hose had vibrated off.  Reconneced the hose and the light was still on.  I then disconnected the battery and reconnected to reset the system, and guess what, no more light and everything works fine.  Check all your connections 1st.


Answer by angie
Submitted on 5/7/2007
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2004 toyota corolla, has check engine light but seems to run fine, any suggestions. It Will not go off. it has 59,000 miles.


Answer by George
Submitted on 5/8/2007
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My Oxygen sensor went out exactly 7 years and 1 week after I bought my 2000 Tundra.  My local dealer repaired it free of charge, and replace both of the bad sensors, since the Toyota bulletin advised doing so.  It was a pretty common problem, so the parts (or kit as it was called) was sitting on the shelf.  Good luck to anyone else who has this misfortunate failure - mine failed at just under 41,000 miles.

The earlier statement is correct about extended warranty - I got a letter from Toyota a while back that said the warranty was 7 years or 90,000 miles on 2000 through mid-2002 Tundras.


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