Toyota Tundra Owners Manual: If you think something is wrong

Toyota Tundra Owners Manual / When trouble arises / Steps to take in an emergency / If you think something is wrong

If you notice any of the following symptoms, your vehicle probably needs adjustment or repair. Contact your Toyota dealer as soon as possible.

Visible symptoms

Fluid leaks under the vehicle.
(Water dripping from the air conditioning after use is normal.)
Flat-looking tires or uneven tire wear
Engine coolant temperature gauge needle continually points higher than normal.
Voltmeter continually points higher or lower than normal
Engine oil pressure gauge continually points lower than normal
Automatic transmission fluid temperature warning message is displayed

Audible symptoms

Changes in exhaust sound
Excessive tire squeal when cornering
Strange noises related to the suspension system
Pinging or other noises related to the engine

Operational symptoms

Engine misses, stumbling or running roughly
Appreciable loss of power
Vehicle pulls heavily to one side when braking
Vehicle pulls heavily to one side when driving on a level road
Loss of brake effectiveness, spongy feeling, pedal almost touches the floor

Fuel pump shut off system

To minimize the risk of fuel leakage when the engine stalls or when an airbag inflates upon collision, the fuel pump shut off system stops supply of fuel to the engine.

Follow the procedure below to restart the engine after the system is activated.

1. Turn the engine switch to the "ACC" or "LOCK" position.

2. Restart the engine.

NOTICE

■Before starting the engine Inspect the ground under the vehicle.

If you find that fuel has leaked onto the ground, the fuel system has been damaged and is in need of repair. Do not restart the engine.

If your vehicle needs to be towed

If a warning light turns on or a warning buzzer sounds

See More:

Toyota Tundra Service Manual > Air Fuel Ratio Sensor: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT AIR FUEL RATIO SENSOR (a) Disconnect the 2 air fuel ratio sensor connectors. (b) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 (HA1A) - 2 (+B) (for Bank 1) 20°C ( ...