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Vortec Hd
March 23rd, 2008, 01:16 AM
I did an EFILive COS Tune and everything is running great except I am having a Reduce Engine Power Command come on the DIC once in a while under boost and light boost but this is happening intermittently. The problem I am having is that it does not through a code to reference the Reduce Engine Power Mode. The the engine goes into limp mode, turn it off and restart runns perfect. Does anyone have any idea's as the to source of the error? (Engine, Tranny)
Also if a code was turned off in EFILIVE not to show up, could it still put the truck in to Limp Mode and not show the code like it was told to?
Thanks guys

joecar
March 23rd, 2008, 03:30 AM
Hi Vortec, welcome. :cheers:

You might look at the other sanity tables for MAP and TPS.

I think (I not sure) if you turn off that code it can still put the PCM into reduced power mode.

Vortec Hd
March 23rd, 2008, 12:20 PM
Perfect so I need to look into the old codes that were turned off to see if that is a problem now that I have a new COS running.