Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Engine Identification

SUPERCHARGED

Engine VIN Code I.D. [1] R
Engine Displacement 3.8L (232 cid)
Engine Configuration V-6 Supercharged
Fuel Control System Sequential Electronic Fuel Injection-Mass Air (SEFI-MA)
Ignition System Distributorless Ignition System (DIS)
Computer System Electronic Engine Controls (EEC-IV)



NON-SUPERCHARGED

Engine VIN Code I.D. [2] 4
Engine Displacement 3.8L (232 cid)
Engine Configuration V-6
Fuel Control System Sequential Electronic Fuel Injection-Mass Air (SEFI-MA)
Ignition System [3] Thick Film Integrated (TFI-IV/CBD-CCD)
Computer System Electronic Engine Controls (EEC-IV)

Remarks:
[1]
The eighth digit of the VIN denotes engine code. Early production supercharged vehicles may be "C".
[2] The eighth digit of the VIN denotes engine code.
[3] CBD - Closed Bowl Distributor (remote mounted TFI module).
CCD - Computer Controlled Dwell.