17 NHTSA owner complaints for the 2003 Toyota Tacoma mention the throttle body. Usable reported mileage (n=16) has a median of 92,000 mi.
Owner complaints whose text directly mentions this component.
Same vehicle, mapped category, part not named.
Replacement listings that match this model year.
These figures describe mileage reported in owner complaints submitted to NHTSA. They do not represent the failure rate of all vehicles.
A failing throttle body can cause sudden loss of power, stalling, or unexpected idle changes, which can affect control of the vehicle. Have those symptoms inspected promptly.
This describes how this component can affect control, stopping, cooling, or fuel containment. It is not a recall, not a statement that this vehicle is unsafe to keep driving, and not a generic list of unrelated automotive hazards.
17 NHTSA owner complaints for this model year mention the throttle body.
No additional related-system complaints were counted for this pair.
Among 16 direct-mention reports with usable odometer data, the median reported mileage is 92,000 mi.
25th percentile 45,000 mi; 75th percentile 120,000 mi. These figures describe mileage reported in owner complaints submitted to NHTSA. They do not represent the failure rate of all vehicles.
Mechanically related parts include fuel pump. Similar symptoms can come from those parts or from the broader system, not only from a failed throttle body.
Use the related-component links on this page when those combinations are published. A system-category NHTSA report is not proof that this specific part failed.
Direct mentions are NHTSA owner narratives that contain this component or an accepted alias. Related-system counts are complaints in a mapped category that do not name the part. They are never merged. Mileage statistics use odometer values from 1 to 400,000 miles. This is not a failure rate.