2.3L Eng Exchange Fuel Injection Control Unit (GROUP 23, NO. 138)
Publication date: 1991-01-01Reference number: GROUP 23, NO. 138
2.3L ENG EXCHANGE FUEL INJECTION CONTROL UNIT
TECHNICAL SERVICE BULLETIN
Reference Number(s): GROUP 23, NO. 138, Date of Issue:
January 1991
EXCHANGE FUEL INJECTION CONTROL UNITS
Model(s): 1985-90 Volvo 240, 740, 760
1987-90 Volvo 780
Group: 23
Bulletin No.: 138
Reference: Service Bulletin Group: 23, No. 204/708 dated 4/89
Date: January 1991
SERVICE INFORMATION
The following exchange LH control units have been introduced as spare parts:
LH CONTROL UNITS
| Application | Production P/N | Exchange P/N |
|---|---|---|
| LH 2.2 B230F 1985-88 | 1389094-2 | 5003707-6 |
| LH 2.2 B230FT 1985-89 | 1367487-4 | 5003765-4 |
The following procedure must be observed when replacing a control unit.
- Make sure that all available diagnostic procedures have been performed, including checks of basic engine parameters such as compression, air and fuel filters, spark plugs, electrical connectors, etc. Assure that other possible problem sources have been ruled out.
- If the cold start kit, p/n 3531106-7, has been installed, IT MUST BE REMOVED prior to installing the exchange control unit. Programming to improve cold starting is already included in the new units.