Electrical interference on ignition system from power lines

Tiny
KRILLIN
  • MEMBER
  • 2006 TOYOTA SIENNA
  • 3.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 105,000 MILES
We have a van that shuts down momentarily when we pass a certain spot near power lines. The engine shuts down for an instant and then starts back up after we drive through the spot. It used to be only at a certain spot but just recently while on trip the same thing happened three times in several different states. Any help would be appreciated. Is there any shielding that I can use to stop this?
Sunday, December 31st, 2017 AT 1:56 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Without knowing exactly what is causing the interference be it electrical or certain frequency radio wave interference, there is very little that can be done. I would contact Toyota direct go above the dealer level and ask if this problem as been reported before and if there is a know fix. Some European cars have a problem with the audio system acting up under certain external electrical conditions and odd atmospherics as well, and some improvement has been to fit a anti static strap to the car, but I would contact Toyota and ask there first. Within the electrical system of the car is what is known as a CAN BUS which has its own shielding, there may be a problem here. The way it works is somewhat involved to repeat here, but if there is a problem, there can be a U code set in the PCM. U codes are communication codes and this should show if there has been a break in data transfer.
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Sunday, December 31st, 2017 AT 8:36 PM

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