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940 L4-2.3L SOHC VIN 88 B230F (1992)

Powertrain Management > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Engine Control Module > Component Information > Technical Service Bulletins > Customer Interest: > 28113 > Aug > 93 > Engine Controls - Stalls, Hesitation, Poor Driveability > Page 4118

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If a confirmed customer complaint is diagnosed after any out-of-line conditions have been corrected, an updated MFI Regina Control Module is
available for vehicles equipped with the Regina/Rex engine management system. See chart.

Replacement of fuel injection control module

Procedure:

Record any fuel injection and ignition system diagnostic trouble codes (DTC) and correct faults as required.

Ignition should be switched off.

Remove/disconnect:

- front screw in sill protector (1)
- cover over MFI control module (2)

Caution:

Module must be dead when connector is removed or reconnected, otherwise damage may result. Remove Fuse no. 1 to avoid damage to control
modules.

Disconnect 35-pin connector from module.

Powertrain Management > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Engine Control Module > Component Information > Technical Service Bulletins > Customer Interest: > 28113 > Aug > 93 > Engine Controls - Stalls, Hesitation, Poor Driveability > Page 4118

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