2001 Buick Century Fuel

2001 BUICK CENTURY
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BLORF
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Car acts like the tank is full when there is less that half. Can put gas in, nozzle shuts off. I am preparing to replace the canister purge valve. Is there something else I should be looking at?

Thanks
Oct 21, 2013 at 10:39 PM
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SATURNTECH9
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Do you have any codes in the computer? Do mean vent valve?
Oct 21, 2013 at 10:55 PM
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BLORF
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Sorry No codes. According to my understanding the vent valve is the canister purge valve on this car. It's also known as a canister vent valve. I couldn't locate any other valve
Oct 21, 2013 at 11:07 PM
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SATURNTECH9
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There should be a canister purge solenoid in the engine compartment that controls vacuum flow to the tank.The vent valve seals the tank so that the evap system can be checked for leaks.Sometimes spiders build webs etc and block the vent valves tubes.
Oct 21, 2013 at 11:16 PM