Toyota Tacoma Problem Report

Toyota Tacoma Driveability Concerns Due to Throttle Position Sensor Out of Adjustment

(11 reports)

The Throttle Position Sensor can get out of adjustment due to wear in the throttle body or due to carbon build up. This will cause the idle timing to advance more than 30 degrees which will cause very high HC and NOx emissions. Conversely, the Throttle Position Sensors can wear out and not properly advance the timing which causes a lack of power and poor fuel economy.

Wen I press the gas pedal to take off fast like wen u getting in yo the freeway it slow down and only gett speed if I press the gas slowly -
sensor poor fuel mileage and will not stay run at idel speed. -
Vehicle has problems with acceleration in gears, acts like its not getting any power at times, but will work at other times. -
Engine hesitation at low RPM's. Hit the gas and there is no response for a few seconds. This is dangerous when trying to make a left turn in the middle of an intersection and the truck won't move. -
Engine 'jerking', sometimes violently at a wide range of speeds, but always only when my foot was on the gas pedal. Solution took some time for the mechanic to figure out, but once he did a new Throttle Position Sensor fixed the problem completely. -
When you give it gas buage down and some times back fire and now after and hour or two running hard may not crank after about two hours it will crank and run good Has 200.000 on it. -

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