engine derated

Mmontoya · Aug 28, 2018

tin714 said: ↑

I have 2010 Cascadia and 2 yellow check engine light came on and my engine is derated. ECU 128. Can anybody help me..thank
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AaL · Jul 31, 2021

John Miles said: ↑

Yeah ... had it happen once to me and a lot of times company wide. The scenario usually starts with the check engine lights coming on and I the info dial says the engine is derated. If it is seriously derated it will only go about 12 mph down the highway ... however ... I have seen and experienced the display stating a derate has occurred and the engine operate normally for a very long time ... like in the order of 6 weeks with the display stating engine derated.

If it were me, I would drive it ... if you can keep it up to road speed ... and try to get it back to your company shop to let them access the situation. If it will only lug along at 10 to 12 mph there is nothing you can do except to call your company shop and let them tell you what you are to do, which will probably involve a wrecker and tow job. It may be a good idea to call the shop anyway and let them know what it is doing.
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Thank you, your comment is helpful.

AaL · Jul 31, 2021

I have 2016 kenworth T680 with Cummins, it has light engine and level 1 engine derate. However my truck is driving fine. My question is. Can I drive to 1200 miles? To get my home town.

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