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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Computers and Control Systems: Application and ID

DISPLACEMENT 2.3 Liter (2259cc or 137.8cid)

CYLINDERS Inline 4

ENGINE DESIGNATION [1] F23A1

EMISSION CERTIFICATIONS [2]
FEDERAL 130
CALIFORNIA 100
CANADA 170

FUEL SYSTEM [3] PGM FI

IGNITION SYSTEM [4] PGM IG

COMPUTER SYSTEM [5] PGM FI

[1] The engine designation (first five digits of the engine number) is located in the center RH side of engine block.
[2] The emission certification (sixth and seventh digit of the engine number) is located in the center RH side of engine block.
[3] Programmed multi-point fuel injection.
[4] Programmed ignition.
[5] Programmed electronic fuel injection.