Posted by Edd in KY on December 02, 2009 at 11:06:01 from (75.90.148.58):
This could get really ugly, and very expensive for the Big T. As any tractor or computer guy knows, it is often difficult to find a gremlin in the wiring.
The Los Angeles Times on Saturday again reported that the onboard computers and electrical controls, installed in most vehicles built by Toyota since 2002, may cause throttles to race out of control, causing runaway cars and trucks.
But the automaker, whose U.S. headquarters is in Torrance, insists the problem with 4.26 million cars and trucks is floor mats that the company says can jam under gas pedals. An off-duty California Highway Patrol officer and three family members were killed last summer near San Diego in a runaway Lexus, prompting public scrutiny.
The Times says the problem is much more serious than jammed carpeting, and notes that thousands of federal traffic safety incident reports show sudden acceleration reports shot up almost immediately after Toyota began installing "drive-by-wire" system that use sensors, microprocessors and electric motors to connect the driver's foot to the engine, instead of the traditional steel cable.
The Times says electronic-only throttles are susceptible to electronic interference that can trick an engine into thinking the driver has floored the ignition pedal, and that power braking on Toyota and Lexus vehicles diminishes if an engine is racing at high speed.
"With the electronic throttle, the driver is not really in control of the engine," Antony Anderson, a UK-based electrical engineering consultant told The Times. "You are telling the computer, will you please move the throttle to a certain level and the computer decides if it will obey."
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Today's Featured Article - Women and Tractors - More Views From the Farmer's Wife - by Teri Burkholder. The top ten reasons why the judges wouldn't let you participate in the stock antique tractor pull: Hey, this is stock! It came with that V8 in it! That "R" on my tires stands for "really old" not radial! Blue gas? We thought it was a pretty color! What wire hooked to my throttle?
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