Thread: New electronic throttle actuator defective?
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Old 08-05-2005, 07:43 PM
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pmizell pmizell is offline
Benz Zealot
  
Join Date: Jun 2001
Location: Houston, Texas
Posts: 838
It is possible the new EA is defective but not likely. I also think it is unlikely that a defective stop lamp switch would cause your engine to revert to limp-home mode.

I don't want to scare you but it's more likely that a bad EA and/or wiring harness may have damaged your HFM-SFI control unit or some other component.

Did this "specialist" ever pull trouble codes from the car? That is a good place to start. Autozone can pull 'em for you and I think O'Reillys as well. Get the codes and report back what you find.

Good Luck
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'01 E430, Sport 72,000 mi
'98 C280, 126,500 mi
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