It is normal the humming sound on the powertrain control module?

Tiny
ALFONSO M
  • 1995 FORD TAURUS
  • 140,000 MILES

When I start it and five minutes pass it stops and makes a humming sound on the PCM and it doesn't turn on. The starer, fuel filter and battery is new.

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Saturday, November 26th, 2011 AT 5:45 AM

1 Reply

Tiny
RIVERMIKERAT
  • MEMBER

It could be a micro-relay vibrating.

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Saturday, November 26th, 2011 AT 6:25 AM

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