What does that mean?
This indicates a fuel vapor leak or lack of purge flow in the
EVAP control system. It means a large leak has been detected. The (EVAP) emission control system prevents the escape of fuel vapors from a
vehicle's fuel
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system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge
control valve opens allowing intake vacuum to siphon the fuel vapors into the
engine.
Symptoms
You likely won't notice any
drivability problems.
Causes
A code p0455 most likely means one or more of the following has happened:
- A loose or improperly affixed gas cap
- A non-conforming gas cap (i.e. not factory/original brand)
- Other leak or damaged piece in EVAP system
Possible Solutions
With a p0455, the most common repair is to:
- Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
- Otherwise, replace the gas cap, and/or
- Inspect the EVAP system for cuts/holes in tubes/hoses (you may hear a vacuum noise or smell fuel), repair if necessary
This content was copied from the Web Link below:
http://www.obd-codes.com/p0455
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