P0455
EVAP System Leak Detected (Gross Leak)
2012-2015 BMW 320i 2.0L I4 Turbo N20
Low SeverityPowertrainGeneric (SAE)
Description
A large leak has been detected in the EVAP system.
Symptoms
- Check Engine Light
- Fuel smell
- Failed emissions
Common Causes
- Gas cap missing or very loose
- Disconnected EVAP hose
- Cracked charcoal canister
- Large hose crack
- Fuel filler neck crack
Diagnostic Steps
- Check gas cap - may be missing or damaged
- Visually inspect all EVAP hoses
- Smoke test EVAP system
- Check charcoal canister
- Inspect fuel filler neck
Repair Notes
Large leaks are usually easy to find. Check gas cap first.
Related Codes
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
P0455 on Other Vehicles
Common Questions
What does code P0455 mean on a 2012-2015 BMW 320i?
P0455 stands for "EVAP System Leak Detected (Gross Leak)". A large leak has been detected in the EVAP system.
What are the symptoms of P0455 on a BMW 320i?
Common symptoms of P0455 include: Check Engine Light, Fuel smell, Failed emissions.
What causes P0455 on a 2012-2015 BMW 320i?
Common causes of P0455 include: Gas cap missing or very loose, Disconnected EVAP hose, Cracked charcoal canister, Large hose crack, Fuel filler neck crack.