Operation CHARM: Car repair manuals for everyone.

Evaporative Emissions System: Testing and Inspection

INCORRECT OPERATION MAY CAUSE:

1. Poor idle, stalling, and poor driveability. Check for:

a. Damaged canister.
b. Hoses split, cracked, or not connected to the proper tubes.
c. Pinched or plugged hose(s).

2. Evidence of fuel loss or fuel vapor odor. Check for:

a. Liquid fuel leaking from fuel lines, or TBI unit.
b. Cracked or damaged canister.
c. Disconnected, misrouted, kinked, deteriorated, or damaged vapor hoses.
d. Air cleaner or air cleaner gasket improperly seated.