Sentences with phrase «evap vent»

What can cause the code P0455: - gas cap left open or not closed properly - faulty gas cap or damaged gas cap seal - faulty or stuck - open vent control valve (could also be called vent valve or EVAP vent solenoid)- damaged or cracked charcoal canister - cracked or disconnected EVAP hose - stuck open purge valve (solenoid) Examples: - In some Nissan and Infiniti vehicles including Altima, Rogue, Versa, Pathfinder and QX4, the code P0455 is often caused by a bad vent control valve.

The vent control valve (also known as vent valve or EVAP vent solenoid) and vent hose (on the left of the vent control valve in the diagram) need to be checked for blockage; The vent control valve also needs to be tested; the vent control valve is an electrical solenoid valve that closes when the voltage is applied.

Both the EVAP vent valve and the EVAP purge valve both need to be working correctly.

Not exact matches

The EVAP system vents the fuel tank fumes to the vehicles inlet manifold and are burnt by the engine.

In the EVAP system, the purge valve and the vent control valve are separate parts with different functions.

This may be related to other possible malfunctions in your EVAP system, such as a faulty vent valve solenoid.

The P2422 diagnostic trouble code is an indication that the vent valve of the evaporative emissions control system (EVAP) is stuck closed.

During the leak test, the ECM seals off the EVAP system by closing both, the vent control valve and the purge control valve (solenoid).

What can cause the code P0446: - faulty vent control valve - blockage at the vent hose, vent filter or vent control valve - open or short in the vent control valve circuit - bad charcoal canister - EVAP system leak - faulty EVAP system pressure sensor - bad vacuum switching valve (VSV)(Toyota, Lexus)- stuck open purge valve (solenoid) Examples: - A GM technical service bulletin for 1999 - 2007 Chevrolet Silverado and GMC Sierra describes a problem when if the vehicle is driven in dusty environment, the dust can enter into the canister vent hose and cause restricted air flow that can set the code P0446.

How the EVAP system vent control works

Unless an obvious problem is found (e.g. blockage at the vent control valve), the whole EVAP system might need to be tested with a special testing equipment known as a «smoke machine».

The vent control valve closes when the ECM performs the leak test of the EVAP system.

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Beside a purge valve, the EVAP - related Check engine light codes are often caused by a faulty vent valve or a gas cap.