The government has received complaints during the past three weeks alleging 13 deaths. The deaths allegedly tied to this problem happened in nine crashes between 2005 and 2010.
From 2000 to 2009, complaints alleging 21 deaths in Toyota vehicles had been filed with the government.
Toyota Motor Corp. has recalled 8.5 million vehicles globally during the past four months because of problems with gas pedals, floor mats and brakes, threatening the safety and quality reputation of the world's No. 1 automaker. The government typically receives a surge in complaints following a recall. None has yet been verified.
The new complaints reflect the heightened awareness of the massive recall among the public and underscore a flurry of lawsuits on behalf of drivers alleging deaths and injuries in Toyota crashes. Three congressional hearings are planned on the Toyota recalls.
The database also shows new complaints filed over the 2010 Prius gas-electric hybrid, which was recalled last week to replace braking software.
When the National Highway Traffic Safety Administration opened its investigation of Prius on Feb. 3, the government had received 124 consumer complaints. Through Feb. 11, the government has received nearly 1,000 new complaints for a total of 1,120 complaints alleging 34 crashes, six injuries and no deaths.
Transportation Department spokeswoman Olivia Alair said in a statement it was "normal for NHTSA to receive an increase in consumer complaints after a recall is announced and the public learns of a safety defect."
Alair said NHTSA takes every complaint seriously and is quickly gathering data on additional complaints "to help guide our examination of sudden acceleration, the Prius braking system, as well as other safety issues."
Toyota officials did not immediately respond to the death allegations.
Meanwhile, , the automaker said Monday, but it promised to look again into possible electronic problems with its vehicles.