Operation CHARM: Car repair manuals for everyone.

Evaporative Emissions System: Testing and Inspection

[1][2]EVAP Control System Diagnosis Results of Incorrect Operation

^ Poor idle, stalling and poor driveability can be caused by:

- Damaged canister

- Hoses split, cracked, or not connected to the proper tubes

^ Evidence of fuel loss or fuel vapor odor can be caused by:

- Liquid fuel leaking from the fuel lines

- Cracked or damaged EVAP canister

- Disconnected, misrouted, kinked, deteriorated or damaged [1][2]EVAP pipe or canister hoses

- Air cleaner or air cleaner gasket improperly seated.