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DTC 135-3

anyone know what this code is. ECU 135-3. it is a 4.3l gm engine with 07771 hours on it.
  • Posted 15 Sep 2010 11:23
  • By garwood
  • joined 7 May'10 - 8 messages
  • Virginia, United States
e-mail jeffrey.garwood@volvo.com
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I am assuming you have a GM LPG. Fuel pressure in the rail is too high. Check your pressure - should be 12 psi - key on/eng off and 4-6 psi @ idle. Anything other than that, replace regulator.
  • Posted 9 Oct 2010 04:23
  • By joe_g
  • joined 15 Sep'07 - 10 messages
  • New Jersey, United States
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Speed Sensor Out of Range High/Open (TCU):
DTC 522135-3 - TISS Speed Sensor Out of Range High/Open (TCU)
It is the transmisson input speed sensor. It is a three wire sensor on the trans valve. Most of the time it will either be a sensor, or if someone steam cleaned it, it will set the code.
  • Posted 5 Oct 2010 03:47
  • By MAK54
  • joined 20 Apr'10 - 14 messages
  • Wisconsin, United States
Corporate Trainer
Mike Korger
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