CM871 poor power and fuel econ

[Rawze]

Reviewing the program that was sent to me.
what I see at a glance...

* DPF delta-P, DPF inlet temp, DPF Outlet temps sensors not disabled properly.

* EGR Delta-P sensors not disabled properly.

* Load based speed control is active. This will make the truck feel sluggish all the time.

* regen protection derates are not fully disabled.

* Some of the after-treatment management is not switched off.

* Some of the after-treatment derate logic is not switched off. This could lead to an unexpected derate at some point.

* very little mode control management has been done. The engine is still able to jump out of its non-egr operating mode. This can lead to unstable power/torque,. or other harmful conditions depending on environment.

* EGR gas manager influence on the turbo has not been disabled. This can make the turbo over-spool sometimes.

* All EGR flow requests are still active, yet the egr valve is disabled. This leave the ecm simply assuming that egr gas is still going into the intake.

* Injection timing has not been corrected at all and is moderately harmful to the engine.

* crank case sensor emissions control is still active.

* doser injector is not fully switched off.

* regen and permit switches are still active.

* EGR valve control logic is not fully switched off.

* Aux emissions are still active.

* fuel controller has a known software bug in it that will randomly limit fuelling at times. Talked about in this post: http://rawze.com/forums/showthread.php?t...4#pid71234

* Fuel air mix control has not been corrected.

* the turbo is set waay too high for a W900 truck. It will over-boost/over-spool and cause harm to itself.. and cause fuel mileage + power losses due to it fighting itself all the time.

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Welcome to the bad delete club!.

This is the typical hack-n-slash garbage-can delete where some complete moron thinks that if they do as little as possible and only block codes, then jack with the turbo to try to make it run better.. and hope there is magic fairy-dust leprechauns inside the the ecm that will make everything all better. -- What a damn mess this one is.. is all I can say.