P0455 means a gross leak detected in the Evaporative Emissions System. Some call this a "gas cap" code, because the most common cause a loose or failed gas cap. But it could be caused by any vapor leak in the fuel tank, filler neck, or anywhere else in the vapor management system. If it isn't a gas cap, you will need tol take it someplace where they have a smoke machine that can find the leak using smoke.
Trouble code P0455 means: Evaporative Emission System Leak Detected (gross leak/no flow)
Yes, in most cases a P0455 code will be set.
dtc codes are generic p0455 means "Evaporative Emission Control System Leak Detected (gross leak) " this will cause "check engine light to come on" and is usually that the gas cap is loose and if tighten will cause the check engine light to go away after driving the car for 3 normal driving trips.
P0455-"A large Evaporative Emission Control System leak has been detected." Usually it means that your gas cap is not on tight, or the seal is old and wont seal tighly. For some reasons, that code comes on for me whan i unplug the AIT sensor even when the engine is off, the code usually goes off within a day however.
Can not find answer for a P0455 code for my 1999 S 70 Volvo (check engine light), with a buddies meter, trying to save money, can anyone give a clue, is it serious or is Volvo Dealer blowing smoke. If you could also provide re-setting technique, it would be highly appreicated.
Large emission vapor leak. Check the gas cap and all lines from the tank to the engine.
Yes. The DTC's (Diagnostic Trouble Code) P0442, P0454, P0455, P0456, may come up.
Check all rubber hoses form the engine to the fuel tank.
yes it can. if the check engine light shuts off by itself then chances are either the trouble code is a soft code. A hard code will keep the check engine light on until the problem is fixed and the check engine light is reset.
P0455 requires two failures in a row to turn the light on. Pending means that it has failed the large leak test once. Treat it like an active code. P0455 evaporative emissions large leak.
When the check engine light comes on it should post a code. Use a code reader to see what the code is and ask again.
and what code does the check engine light say ? go by autozone they will check it for free and get the code.