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Sierra_Valley_M's avatar
Sierra_Valley_M
Explorer
Oct 06, 2015

allison md3060 and non-functioning exhaust brake

I have searched this site and searched and posted this issue on another site. Here's the problem: We have a 1992 Monaco Dynasty with an Allison MD 3060 transmission, a mechanical 6CTA 8.3 Cummi...
RLS7201's avatar
RLS7201
Explorer II
Oct 06, 2015
I think "d3 = 2112, Throttle Position Sensor (TPS) below low" is a clue.
I've seen and repaired a similar problem.
Check the throttle linkage at the engine. There is a shaft and linkage that connects the throttle cable and the TPS cable. The shaft and linkage may be worn to the point of failure. It could cause erratic failure. That was causing TPS error codes on my customers 8.3 mechanical Cummins.

Richard

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