Bad computer

Tiny
JIMMYFROMTRUCK
  • MEMBER
  • 2008 FORD F-550
  • 6.4L
  • V8
  • TURBO
  • 4WD
  • AUTOMATIC
  • 58,000 MILES
So this is a 6.4 powerstroke. It has low mileage and has many problems. The truck loses throttle control and you have to turn off and turn back on. The truck will smoke a lot and then will not smoke at times. Sometimes exhaust comes through engine bay into cab most of the time, other times it will not. It will run really bad, sounds like a 6.0 and lopes and shakes truck, and then it will run great. When you turn the truck on, some things on interior will not get power. This sounds like bad computers to me. What could it be? I do not have the truck readily available or tools to experiment.
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Saturday, December 30th, 2017 AT 6:43 PM

5 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning

Do you have the codes the are set? If you do not then a parts store will read them for free.

Roy
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Sunday, December 31st, 2017 AT 4:34 AM
Tiny
JIMMYFROMTRUCK
  • MEMBER
  • 25 POSTS
I do not have the codes written down, but the mechanic said there were a lot. The screen on the dash was a wrench and then will say trailer brake controller fault. Could the computer be fried?
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Sunday, December 31st, 2017 AT 11:50 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
That would be an expensive guess. In most cases, it is not.

We need the codes to help narrow the area of failure. See if you can get them read again.

Roy
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Sunday, December 31st, 2017 AT 12:06 PM
Tiny
JIMMYFROMTRUCK
  • MEMBER
  • 25 POSTS
I will and I will post them here when I have them.
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Sunday, December 31st, 2017 AT 12:11 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Sounds like a plan.

Roy
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Sunday, December 31st, 2017 AT 12:19 PM

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