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06 Jake Brake problem

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Cruise Just quits

Eratic low boost with cold temps

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My jake is hooked to the ECM. I can be going down the highway with the cruse on, if I come up behind someone going slower then I am, I will hit the fuel pedel to pass that person then pull back into the RH lane. When I let off on the fuel pedel to slow back down to the cruse set speed the Jake will come on (which is normal), but once the cruse control takes over at times the jake will still stay on! I know its not stuck parts because if I turn the switch off the jake goes off. It has to be the ECM forgets to turn off the signal, or the ECM thinks the TPS is still at idle. Is there an adjustment for the TPS on these new "drive by wire" trucks?

It has happened several times now. Most times it will clear itself after a couple seconds, but yesterday I was on a slight downhill grade and it would not shut off (cruse only needed it add a little throttle to keep speed up)
 
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