Toyota
Tacoma
18

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

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 176,495 (107,000–276,300)
7 model years affected: 1995, 1996, 1997, 2000, more2003, 2004, 2008
18 people reported this problem
Comments
Viewing 1 - 8 of 8 comments
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
But while driving it will decelerate slowly acting like it's not getting gas.

You have to release the gas pedal and then put your foot back on the gas pedal or you have to take it out of gear and place it back into gear
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.
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.
sensor poor fuel mileage and will not stay run at idel speed.
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.
My 95 Tacoma has the same problems listed here. I am going to try the sensor. Mechanics have replaced almost everything else.
Vehicle has problems with acceleration in gears, acts like its not getting any power at times, but will work at other times.