Author Topic: Code 59 Fuel Formula  (Read 1846 times)

Offline Paul

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Code 59 Fuel Formula
« on: May 19, 2016, 05:09:08 pm »
Here is the Fuel Formula that is used in 58 and 59.

Code 58  BPW = BPC (F28) * MAPP * T' * A/F' * Final VE (Tables F29+F30) * F33C * BLM * DFCO * DE * CLT * F77

Code 58 A/F Note: Variable ]Stoichmetric AFR 14.7 Ratio (KAFSTCN) in closed loop until WOT and then uses F61 table for multiplier
Code 58 Final VE = F30 + F29 (These 2 tables together cannot add up to values over 100)

Code 59  BPW = BPC (F28) * MAPP * T' * A/F'  * Final VE (F29x table) * F33C * BLM * DFCO * DE * CLT * F77x

Code 59 A/F Note:
(Wideband F29AFR table used when in Closed Loop and Use Wideband Flag is on otherwise variable Stoichmetric AFR 14.7 Ratio (KAFSTCN) in closed loop until WOT and then uses F61 table for multiplier)
Code 59 Final VE = F30 + F29x (These 2 tables together cannot add up to values over 100.  Usually F30 table is set to 0.  Values in F29x cannot go over 100)
« Last Edit: May 19, 2016, 05:27:49 pm by Paul »
Paul Schwab
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