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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Engine Systems Identification

Engine VIN Code I.D. [1] L

Engine Displacement 2.3 Liter (2290 cc or 140 cu in.)

Engine Configuration DOHC Inline 4

Engine Designation B234

Market Codes
Federal US
California UC
Canada CA

Fuel System Trionic [2]

Ignition System Trionic

Computer System Trionic

Remarks:
[1] The eighth digit of the VIN denotes the engine code.
[2] Combines all engine control functions into a single control system.