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P04 & F04 codes

EGI 30 amp fuse blows as engine starts. Will only run seconds until fuse blows. EGI relay test good. What is EGI? What does it stand for and where is it located on the truck? I am not sure if it's related to the P04 & F04 codes which I think are communications errors.
  • Posted 15 Jan 2019 07:17
  • Modified 15 Jan 2019 11:06 by poster
  • By Whitebuzzbait
  • joined 21 May'12 - 15 messages
  • Florida, United States
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Fact of the week
In March 2002, identical twins in Finland died on the same day in similar accidents within hours of each other. A 70-year-old man was killed by a truck while cycling; hours later, his twin brother was killed by a truck on the same road, about a mile away, before the family had been informed of the first accident.
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Fact of the week
In March 2002, identical twins in Finland died on the same day in similar accidents within hours of each other. A 70-year-old man was killed by a truck while cycling; hours later, his twin brother was killed by a truck on the same road, about a mile away, before the family had been informed of the first accident.