Diagnostic Aids

Check for the following:

• Cranked and punctured EVAP canister.
• Damaged or disconnected source vacuum line, EVAP purge line, vent hose, for fuel tank vapor line.
• Poor connection at PCM.
• Inspect harness connectors for backed-out terminals, improper mating, broken lock, damaged terminals, or poor wire connection.
• Check for intermittent in circuit.
• Check for kinked, pinched or plugged vacuum lines to EVAP purge or fuel tank vapor line. Also check for restrictions.
• Faulty or damaged evaporative canister.