I HAVE A 2006 TOYOTA TACOMA. IT HAS UNCOMMANDED ENGINE SURGES. IT IS MOST NOTABLE AT A STOP. ONCE THE VEHICLE STOPS ENGINE RPM REDUCES TO 500 RPMS AND SECONDS LATER IT SURGES TO 800RPM. I NOTICED THIS WHEN I BOUGHT THE CAR,BUT THOUGHT THAT WAS "NORMAL". IN 2008 IT CAUSED ME TO HAVE A MINOR TRAFFIC ACCIDENT AND REALIZED IT WAS NOT NORMAL. AT HIGHER RPMS ABOVE 35 MPH THE VEHICLE FEELS LIKE IT IS IN A HIGH GEAR AS IT QUICKLY REDUCES SPEED WHEN YOU TAKE YOUR FOOT OFF THE PEDAL. AGAIN I THOUGHT THIS NORMAL PRIOR TO THIS CURRENT ROUND OF RECALLS. I WAS AMAZED THE TACOMA'S ARE NOT BEING RECALLED. SOMETHING IS DEFINITELY WRONG WITH THE ENGINE COMPUTER. *TR