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2012 Toyota TUNDRA Fuel Propulsion System Problems, Complaints and Defects

Issue ID	1043415
Internal NHTSA #	10566743
Manufacurer	Toyota Motor Corporation
Brand	TOYOTA
Model	TUNDRA
Model Year	2012
File date	19/12/12
Component	FUEL/PROPULSION SYSTEM
Product type code	VEHICLE
Description of the problem	I purchased my flex fuel tundra 5. 7 in november of 2011. I started to experience issues with cold starts in december of 2012. I had an extended crank time, and it would take multiple attempts to start the truck. I took it to the dealership for the first time in january of 2013. The dealership reset my computer. The issue seems to be resolved. The following winter, in december of 2013, i started to experience the same issue with cold starts. The dealer apparently reset my computer again. Just a month later, january 2014, the extended crank on cold starts began again. This time, they told me my alcohol density was reading 49%. They said it should be at 85%, however, i am not using straight ethanol gas, which i told them numerous times, so my reading should not be 85%. I was told the computer should reset to 0 when i fill up, but my truck is not. It's just building up, which results in an inaccurate alcohol density reading. The dealership told me that the only current solution is if my tank drops below 1/4 tank, i should only fill it half way, drive it gently, and then go back to fill it the rest of the way. After filling it, i was told to let it idle, and drive it gently when i pull out of the gas station. This is unacceptable. Following my last visit to the dealership, when i refilled my truck for the first time after the last reset, the 'miles to empty' was reading 425! My truck usually ranges between 300 and 320. The 426 miles to empty reading only happened once, but again, the inconsistency and inaccurate readings are nonsense, especially on a $35k+ vehicle. Since then, i have researched the issue, and i'm not the only tundra owner with this issue. Other flex fuel tundra owners are having the same issue.
Vehicle Mileage at Failure	13533
Number of Occurences	1
Source of the issue	NHTSA WEB SITE
City and State	MONROE, NC
VIN pattern	XXXXXX
Was vehicle invloved in a crash?	N
Was vehicle involved in a fire?	N
Was incedent reported to police?	N
Was medical attention required?
Was part original equipment?
No. of injured persons	0
No. of fatalities	0
Date of purchase	07/08/26
Was original owner?	N
Anti-lock brakes	N
Cruise control	N
Number of cylinders
Drive train type
Transmission type
Vehicle speed	0
DoT tire identifier
Tire size
Location of tire code
Type of tire failure code
Was defective tire repaired?
Date of manufacture
Type of child seat code
Type of restraint
Dealer's name
Dealer's telephone number
Dealer's city
Dealer's state code
Dealer's ZIP code

What is Recall?
A recall is when a product is removed from the market or a correction is made to the product because it is either defective or potentially harmful.
What is Failure?
Failure is the state or condition of not meeting a desirable or intended objective, and may be viewed as the opposite of success. Product failure ranges from failure to sell the product to fracture of the product, in the worst cases leading to personal injury, the province of forensic engineering.
What is Defect?
Non-conformance of a car component with the specified requirements, or non-fulfillment of user expectations, including the safety aspects.

Last decoded VIN:

WVWZZZ3CZJP018155 WV1ZZZ2KZBX227506 JH37E1906SK003101 WBY41EJ09TCY29404 2T1KU4EE0AC262357 XLRTEH4100G203762 VF1FW14B545786707 ZFBCFXBT1GP387013 4S4EB61CX66355680 HH37E1906SK003101 1C4RJFCT6FC748935 5XYZUDLB6HG478882

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2012 Toyota TUNDRA Fuel Propulsion System Problems, Complaints and Defects, Recalls and Failures

2012 Toyota TUNDRA Fuel Propulsion System Problems, Complaints and Defects

What is Recall?

What is Failure?

What is Defect?