2004/07/01 Caterpillar

Flash Files are Now Available in order to Address Engine Misfires and will Improve Engine Acceleration {7620}

Usage:

C7 KAL

Engine: C7 (S/N: KAL1-12897)

New flash files have been released in order to address a misfire when the engine rpm is between 1400 and 2000 rpm. This will also improve engine acceleration. See table 1 for the flash files. The improvements are released for engines with the high horsepower ratings. The range for the high horsepower is from 186 kW (250 hp) to 246 kW (330 hp).

Note: The new flash files that are in Table 1 are only for engines with the original injectors from the factory. The factory installed injectors are 233-3535 Fuel Injector Gp.

Show/hide table

Table 1
Engine Ratings
Power	Torque	Interlock Code	Flash Files for the New Injector
186 kW (250 hp)	1084 N·m (800 lb ft)	7	247-4643
205 kW (275 hp)	1084 N·m (800 lb ft)	8	247-4642
205 kW (275 hp)	1084 N·m (800 lb ft) ER	12	247-4641
205 kW (275 hp)	1166 N·m (860 lb ft)	9	247-4640
205 kW (275 hp)	1166 N·m (860 lb ft) ER	13	247-4639
223 kW (300 hp)	1084 N·m (800 lb ft)	10	247-4638
223 kW (300 hp)	1084 N·m (800 lb ft) ER	14	247-4637
223 kW (300 hp)	1166 N·m (860 lb ft)	11	247-4636
223 kW (300 hp)	1166 N·m (860 lb ft) ER	15	247-4635
246 kW (330 hp)	1166 N·m (860 lb ft) ER	16	247-4634
246 kW (330 hp)	1166 N·m (860 lb ft) RV	17	247-4633