drive by wire

06-19-2005, 09:31 PM
I was wondering if someone could explain the "drive by wire" and how the throttle cable works on a 2000 Rodeo ls v6. Is there any points for adjustment or lubrication? Does the spring at the throttle body need lubrication and what is best for lubrication?


Cat Fuzz
06-19-2005, 10:21 PM
Drive by wire means there is no physical connection between the pedel and the throttle body. In other words, no throttle cable or linkage. The vehicles computer receives a variable voltage from the throttle pedel and relays a signal to a stepper motor on the throttle body which opens and closes the throttle. I don't think you need to lube anything, but it is always a good idea to keep things clean.

06-20-2005, 08:57 PM
Yep, there's no user 'serviceable' parts on the TBW system that I know of. This setup was yet another testing ground for GM/Delphi electronics. Great for tractors (semi's), mass-transit buses and rear engine vehicles, but totally not needed for our trucks. I dread the day mine decides to go south ($$$)!!

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