Empowering Yourself The Essential Guide to EVAP System Leak Repair and Prevention

I have a 2007 v6 and have the check engine light on for [evaporative emission system leak detected (small leak)] , took it to autozone and they told me to ... What can cause the OBDII code P0455; what needs to be checked, common problems, examples. Any ideas where to go from here if the message or code returns? Oh, I have also replaced the canister vent solenoid, purge valve and oem fuel ... P04ee and p04ec are typical codes for a loose gas cap. There are a series of evap tests that must clear before the code will go away. It can ... Common causes of P0455. Several issues can cause the P0455 code. The most common is a loose or broken fuel cap. When the cap doesn't seal ... If the leak is bad enough, your engine may not function properly. Fuel may not flow evenly through your fuel lines or the leak may interfere ... The only way the evap system can purge (into the engine) is through the purge valve. Otherwise it would just leak into the atmosphere. Error code P0455 is a diagnostic trouble code that signifies a major leak detected in the evaporative emission control (EVAP) system. The way the system determines that there is a large leak is by pressurizing the system and seeing if it holds using the leak detection pump. There are several things that can cause an EVAP Leak: · A bad seal on the gas cap - By not being be tightened properly and /or the gas cap itself ...