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+--- Thread: Help 871 chi tables straget (/Thread-Help-871-chi-tables-straget)
Help 871 chi tables straget - Amp1000 - 04-20-2020
need help with chi table for 871 ive been told to run chi4 all across but would like to know what the other tables do thank you
RE: Help 871 chi tables straget - colterHD - 04-20-2020
Alpha0 - cold start also can beused for over-power protection
Alpha1 - steady operating state - full-emissions+egr operating mode below 4,000 feet.
chi2 - steady state high altitude mode above 1200M
chi3 - steady state for high altitude mode above 2400M
chi4 - non-egr + engine protection mode
chi5 - non-egr + engine protection mode high altitude 1200M +
chi6 - non-egr + engine protection mode 2400M+
chi7 - passive regen mode
chi8,9,10 - SCR thermal managment modes, SCR warm up etc. altitude base as well
chi11 - aftertreatment fuel rate limiting
chi12 - engine protection/limp home
Chi13 - stationary regen
RE: Help 871 chi tables straget - Amp1000 - 04-20-2020
Thank you for the help ill look into it
RE: Help 871 chi tables straget - zyNoT - 04-21-2020
You should not have to adjust all the tables. This is bad tuning. You should have engine setup to only use the modes and tables you want. Meaning those other tables don’t need changed because they’re not used. If ECM is setup to go into all modes then you’re not doing it right.
RE: Help 871 chi tables straget - Almoreno - 04-23-2020
(04-20-2020, 01:46 PM)NcolterHD Wrote:Thx for the Info
Alpha0 - cold start also can beused for over-power protection
Alpha1 - steady operating state - full-emissions+egr operating mode below 4,000 feet.
chi2 - steady state high altitude mode above 1200M
chi3 - steady state for high altitude mode above 2400M
chi4 - non-egr + engine protection mode
chi5 - non-egr + engine protection mode high altitude 1200M +
chi6 - non-egr + engine protection mode 2400M+
chi7 - passive regen mode
chi8,9,10 - SCR thermal managment modes, SCR warm up etc. altitude base as well
chi11 - aftertreatment fuel rate limiting
chi12 - engine protection/limp home
Chi13 - stationary regen