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Electronic Control Module
- (Passenger Side firewall)
  - 4 Cyl, 150 cid (2.5L)
    - Automatic Transmission
      - Federal emissions
      - low emissions
    - Manual Transmission
      - Federal emissions
      - low emissions
  - 6 Cyl, 242 cid (4.0L)
    - Automatic Transmission
      - Federal emissions
      - low emissions
    - Manual Transmission
      - Federal emissions
      - low emissions

Engine Computer for 1999 Jeep TJ

Fits: Electronic Control Module Passenger Side firewall 6 Cyl, 242 cid 4.0L Manual Transmission low emissions (change)

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