EVAP 4 - Check Fuel Tank-Gas Cap-Rollover Valve
^ Check for holes, cracks and leaks in fuel vapor hose between fuel tank and carbon canister(s).^ Check for fuel tank damage.
^ Check for damaged rollover valve.
^ Is a fault indicated?
YES -- Service as necessary. Remove pressure pump and gauge. Reconnect carbon canister(s). Drive vehicle. If symptom is still present, return to diagnostic routines. SEE Powertrain Management / Testing and Inspection / Diagnostic Routines.
NO -- Remove pressure pump. Go to EVAP 5. EVAP 5 - Check Vacuum In EVAP System