Emission Control Problems of Toyota Tundra

The contact owns a 2013 Toyota Tundra. The contact stated that upon taking the vehicle in for inspection, the vehicle failed the inspection. The contact was informed that a failure with the air injection pump had been detected. The check engine warning light was illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 64,000.

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* ongoing manufacture defect / safety concern with 2012 Toyota Tundra 4. 6. Code p2440, secondary air injection. Bank one open. ---check engine / trac off lights / engine in "limp mode" * documented recurring incidents on 4-2-19 and again on 10-12-19 after costly out of pocket repair. * my 2012 Toyota Tundra 4. 6 motor double cab has experienced the air injection pump failure twice in a six month period. This failure is a safety hazard leading to loss of power and vehicle control. The first occurrence was after a 2,000 mile trip. Driving downhill the dash lights (check engine / trac off) came at highway speed and immediately vehicle power reduced as we tried to power up the next hill. We were able to avoid being run over by following vehicles by pulling off the road, and limped to the nearest mechanic shop. Contacted 3 dealers and Toyota corporate with no positive outcome. All parties acknowledge the ongoing defect but will not pay or offer a solution to end the problem. Paid out of pocket for expensive repair. The 2nd occurrence six months later found us again unable to reach or maintain safe highway speeds. Avoid dangerous highway situations, or ability to climb hills. Both instances occurred without warning. * this emission control defect that Toyota has known about since the 2007 models. They even extended the warranty through the 2011 model year. Toyota also claims the problem is neither drive-train nor emissions related. After many attempts at the dealer and corporate level, Toyota refuses to extend repairs for this well documented defect beyond the 2011 model. Toyota suggests that when enough complaints are recorded, they will extend the warranty on newer models. The lack of support from dealers and corporate Toyota is alarming. The repair out of pocket is expensive (from $500 for a temporary repair to $4000 for a replacement from the dealer. ).

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The contact owns a 2005 Toyota Tundra. While driving 35 mph, the emission control failed and the warning indicator illuminated. The failure occurred twice. An independent mechanic recommended that the second air injection system be replaced. The vehicle was not repaired and the manufacturer was notified. The approximate failure mileage was 120,000.

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Dash light "check engine" came on and when the dealer informed me that it was this emission control system listed above ( secondary air injection system switching valve no. 2 bank 1 and bank 2) that would cost over $3,000 I went online and saw many Tundras and sequoias with exactly the same problem and that the 2007 to 2009 Tundras with the exact part numbers were warranted for 10 years, it tells me this is a known problem, so why is there not a recall?.

Frame and rear end banjo housing rotted to the point where gear oil from rear end leaked out onto the road. Had to have vehicle towed to garage to make temporary repairs. In addition, frame is disintegrated with pieces falling to the ground. Taken to an independent garage and was told to take truck to Toyota and both the rear end assembly and frame should be replaced. Garage, stewart's of georgetown, MA. , states metal of frame has deteriorated to the point where you could poke holes in it with a screw driver. Frame examined on August 6, 2011 after pieces of frame found under the truck after labor day weekend. Truck has 40,700 miles on the odometer and used to deliver and pick up supplies for property owned. The consumer to date, he has been unable to locate a usable rear end assembly. The consumer believe the failure was directly related to the use of reprocessed metal in the manufacturing, together with the failure to properly treat exposed metal parts with corrosion resistant compounds. The consumer stated after the vehicle was returned to him. The check engine light illuminated. The vehicle was taken to an independent repair shop where it was necessary to replace the oxygen sensor that had been previously replaced in August 2007. Updated ivoq 12/01/11.

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The contact owns 2007 Toyota Tundra. The contact stated while driving the vehicle, there was a sudden loss of power. The vehicle went into limp mode, which was a safety feature, but the vehicle did not stall. The dealer performed a diagnostic test which determined that the emission control valve needed to be replaced. The vehicle recurred and the dealer stated the entire emissions system needed to be replaced. The manufacturer agreed with the dealers diagnosis and stated the warranty was no longer valid. The contact was concerned because they were never given a reason why the vehicle would resort to a limp mode. The failure mileage was 59,000 and the current mileage was 137,000.

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I have had one oxygen sensor replaced within the past year at an expense of over $400. I now have another oxygen sensor failure and note that many others are experiencing the same manufacturer defect. My truck has only 52,000 miles but it is beyond the extended warranty period granted by Toyota. It is obvious that Toyota should recall all 2000 Tundras and fix them rather than extend a warranty.

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Oxygen sensors constantly fail. I have replaced twice and another is currently out. Toyota extended the warranty instead of recalling and fixing the problem. The second O2 sensor was out within the extended warranty period but I didn't fix b/c I already had it repaired once. Of 3, I was reimbursed for 1.

Oxygen sencers going bad with only 4900 miles on truck 1time41853 miles on12/22/2003 2,time 49365 miles on 8/26/2004.

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Check engine light came on, took vehicle to Toyota dealership for diagnosis. Air/fuel ratio sensor bad. Vehicle only 5,000 miles over warranty (41,000 miles). Estimated repair cost $490. 00. I was under the impression that this was an item covered uinder a federal emissions warranty that lasts 8 years or 80,000 miles.

Brake rotors have needed replacing several times since new because they warp. Poor design flaw. O2 sensor replaced under warranty at close to 58k miles, then 2 more O2 sensors went out @ 103k miles. Very expensive to replace. . . Cost me $435. I have complained to 2 different dealers that my front left wheel may have a bad wheel bearing, but they say they can't find anything wrong. All I know is it constantly squeaks and it has nothing to do with the brakes because the noise does not change when you apply the brakes or drive along down the road at slow or highway speeds.

68800 mi. Check engine light on. Dealer said exhaust manifold and gasket were leaking. It and both O2 sensors needed to be replaced. One O2 sensor had been replaced less than 12 months before - now both!. Technician said they'd fixed 5 or 6 exact same problems within the last month - at one dealership!. Another web site indicates others are having the same problem. I smell mfgr defect that should be covered 100% as it's emissions oriented and because problem seems to be wide spread. It's possible to design and build a manifold that doesn't leak or warp. Toyota should own up and fix at their expense. Unconscionable if they don't, and need NHTSA to make them.

2000 Toyota Tundra sr5 4wd repeated failures of O2 sensors, have two sensors fail within 30,000 miles total on the truck. Expensive repairs. On Jan 13 2004, Toyota repair stated it could cost $800 to repair O2 sensor in exhaust manifold because "around half" of them won't come out and the entire manifold must be replaced. I know two people personally with the same exact failures on this year truck.

In sept of 2003, I had to have one of my 02 sensors replaced on my 2000 Tundra with 42,000 miles on it. Less then four months later I am having another 02 sensor replaced at 48,000 miles. One of my CO-workers has a 2000 Tundra also and has two 02 sensors replaced. I feel that it is more than apparent that there is a quality issue with these sensors and Toyota should re-call and replace the lot of them.

Engine light on. I have taken in 3 times. Unknown cause/emission system or fuel system. Engine has 2206 miles on it.

Bad O2 sensors on 2000 Toyota Tundra access cab 4-wheel drive.