P1440
EVAP Control System Small Leak
2003-2004 Infiniti M45 4.5L V8
Low SeverityPowertrain
Description
Small leak detected during EVAP system pressure test.
Symptoms
- CEL
- Fuel odor possible
- Failed emissions
Common Causes
- Loose fuel cap
- Faulty purge valve
- Cracked canister
- Damaged EVAP hoses
Diagnostic Steps
- Check fuel cap
- Smoke test EVAP system
- Test purge valve
- Inspect hoses
Repair Notes
Tighten fuel cap or repair EVAP leak.
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1440 on Other Vehicles
Common Questions
What does code P1440 mean on a 2003-2004 Infiniti M45?
P1440 stands for "EVAP Control System Small Leak". Small leak detected during EVAP system pressure test.
What are the symptoms of P1440 on a Infiniti M45?
Common symptoms of P1440 include: CEL, Fuel odor possible, Failed emissions.
What causes P1440 on a 2003-2004 Infiniti M45?
Common causes of P1440 include: Loose fuel cap, Faulty purge valve, Cracked canister, Damaged EVAP hoses.