Toyota Tundra 2015, Manual

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491
8
W
hen
troub
le
arises
8-2. Steps to take in an emergency
If the engine will not start
One of the following may be the cause of the problem:
●
There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
Flex-fuel vehicles: The type of fuel may be different. When refuel-
ing, add the same type of fuel, if available.
After adding a different type of fuel, the engine may run roughly and
driving performance may be reduced for a while when the engine is
first started. In this case, wait until the engine runs normally.
●
The engine may be flooded.
Try to restart the engine again following correct starting procedures.
(

P. 179)
●
There may be a malfunction in the engine immobilizer system.
(if equipped) (

P. 78)
One of the following may be the cause of the problem:
●
The battery may be discharged. (

P. 494)
●
The battery terminal connections may be loose or corroded.
One of the following may be the cause of the problem:
●
One or both of the battery terminals may be disconnected.
●
The battery may be discharged. (

P. 494)
Contact your Toyota dealer if the problem cannot be repaired, or if repair
procedures are unknown.
If the engine will not start even though correct starting proce-
dures are being followed (

P. 179), consider each of the follow-
ing points.
The engine will not start even though the starter motor operates
normally.
The starter motor turns over slowly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low
volume.
The starter motor does not turn over, the interior lights and head-
lights do not turn on, or the horn does not sound.