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Electronic Control Module
- (base of Passenger Side A pillar)
  - 2.0L (4 Cyl, 121 cid)
    - DOHC
      - Automatic Transmission
        (ID 3S4A KB thru KE)
      - Manual Transmission
        SVT
        ID 2S4A-AFA
        ID 2S4A-AFB
        ID 2S4A-AFF
        ID 2U7A-FYA
        Excluding SVT
        (ID 3S4A-LB thru LE)
    - SOHC
      - Automatic Transmission
        (ID 3S4A-FB thru FE)
      - Manual Transmission
        (ID 3S4A-Bright green thru GE)
  - 2.3L (4 Cyl, 140 cid, PZEV)
    - Automatic Transmission
    - Manual Transmission

Engine Computer for 2003 Ford Focus

Fits: Electronic Control Module base of Passenger Side A pillar 2.0L 4 Cyl, 121 cid DOHC Manual Transmission SVT ID 2S4A-AFA (change)

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