Operation CHARM: Car repair manuals for everyone.
Home >> Chevrolet >> 1992 >> Camaro V6-191 3.1L >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Evaporative Emissions System >> Service and Repair
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

Evaporative Emissions System: Service and Repair

REMOVAL:

1. Disconnect negative battery cable.
2. Disconnect the electrical connector and hoses from solenoid.
3. Remove canister bolts and canister.

INSTALLATION:

1. Install fuel vapor canister as removed. Tighten canister hold down bolts to 2.9 Nm (25 in lb).
2. Re-connect the electrial connector and hoses. Make sure connections are correct.
3. Re-connect negative battery cable.

Before starting engine, follow the idle learn procedure as follows:
1. Install "SCAN" tool.
2. Turn ignition "ON," engine "OFF."
3. Select "IAC SYSTEM," then idle learn in the "MISC. TEST" mode.
4. Proceed with idle learn as directed.

This procedure allows the ECM memory to be updated with the correct IAC valve pintle position for the vehicle, and provides for a stable idle speed.
pro multis · About Operation CHARM