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2012 Toyota Tundra Limited 5.7L Poor Idle Quality, Misfire, MIL Lamp on
Posted to Asian Driveability on 11/28/2017 6 Replies

Got this Tundra that runs rough at idle and has very negative long term. B1S1 and B2S1 both do not fluctuate much at idle or highway--run around .9-1.00. B1S2 and B2S2 stay around .9 idle or down the highway but will drop to .1 when letting off the throttl...

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  Related Documents & Media  2012 Toyota Tundra Limited

 
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car Vehicle Data

2012 Toyota Tundra Limited

VIN 5TFBW5F11C
Engine5.7 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIdle, After a Hot Soak

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
Message Closed

car Vehicle Data

2012 Toyota Tundra Limited

VIN 5TFBW5F11C
Engine5.7 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIdle, After a Hot Soak

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)