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- 07.02.2012 #1Bobtail Member
- Member Since
- Jul 2012
- Trucker?
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2012 t 660 PACCAR engine STOP ENGINE LIGHT
2012 T 660 WHEN I GET UP TO 35mph the stop engine light comes on is it the low coolant senso has gone bad an needs replaced all my fluids r toped off
- 07.02.2012 #2Bobtail Member
- Member Since
- Mar 2008
- Location
- KY
- Trucker?
- 28 Years
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- 24
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I had the same problem with one of my Paccar Mx powered T-660's when new. It turned out to be a fuel filter causing low fuel pressure because the sensor was too sensitive. A software update corrected the problem but prior to the update the fuel filter had to be changed to keep the light from coming on.
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