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

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

Or, hide this message: temporarily or permanently

Engine Control Module: Service and Repair

PGM-FI Control Unit Removal:






1. Disconnect negative battery cable.
2. Lift carpet in front passenger footwell.
3. Remove cover screws.
4. Remove ECU mounting screws.
5. Remove ECU from vehicle.
6. Reverse procedure to install. Insure all connections to ECU are tight and secure.