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ECM Replacement trouble


TractorMech94

New Member
U.S. Military - Veteran
Joined
May 21, 2024
Messages
1
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0
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1
Location
Foley alabama
Vehicle Year
1994
Make / Model
Ford ranger xlt
Transmission
Automatic
are PN: F47F-12A650-ANB and

F47Z-12A650-ANB the same part? The only difference is the letters F and Z? Can someone explain to me the code differences please. And if there’s no difference if I can use the Z number as a replacement. Thanks

94 ranger 4.0 xlt auto.
 


superj

Well-Known Member
U.S. Military - Veteran
Joined
Oct 1, 2021
Messages
3,601
Reaction score
3,073
Points
113
Location
corpus christi, texas
Vehicle Year
2004
Make / Model
ranger edge
Engine Type
3.0 V6
Engine Size
183 ci of tire shredding power
Transmission
Manual
2WD / 4WD
2WD
Total Lift
none
Total Drop
none
Tire Size
235s
My credo
drives a stick shift ranger
Compatible: 1994 Ford Ranger
OEM Part Number: F47Z-12A650-ANB / EEC-IV | Federal Emissions | 4.0L | A/T | 4X2


Compatible: 1994 Ford Ranger
OEM Part Number: F47F-12A650-ANB / EEC-IV | Federal Emissions | 4.0L | A/T | 4X2


they look compatible.

i found this though

EEC(ECM) part number f47f-12a650-cma break down

f4 = 1994, F = 199, 4 = 4, a 1988 ECM would be E8, 1993 would be F3
7f = Ranger model

12a650 = part number for EVERY ECM Ford ever made, from 1979 to 2016 and still going

cma = software revision on chip inside, Ford never released what they mean, they are different for manual and automatic, but there are hundreds of 2, and 3 digit codes at this location, could matter but doesn't seem to when swapping ECMs
 

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