Sentences with phrase «at evap»

Not exact matches

I would recommend having an expert from Your Mechanic come to your home to take a look at your car to diagnose your EVAP purge solenoid.

Reports suggest that replacing only the EVAP vacuum switching valve (VSV) mounted at the canister can fix the problem in some cases.

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.

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 repair often involves replacing the EVAP vacuum switching valve (VSV) and the charcoal canister as an assembly, but if you want to save money, try replacing just the EVAP VSV and cleaning all the vacuum hoses at the canister; sometimes it may be enough to fix the problem.