p1447 OBD II code - Nissan Forum
B14 95-99 chassis 1995-1999 Sentra and 1995-1998 200SX

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post #1 of 2 Old Jan 2nd, 2007, 02:39 AM Thread Starter
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p1447 OBD II code

so wondering if anyone has run into this code before... not really getting a straight answer online seems to point to "purge valve" no idea what this is... HELP I GOTTA SMOG

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post #2 of 2 Old Jan 2nd, 2007, 09:27 PM
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The valve in question is the evaporative emissions (EVAP) purge valve. It purges the gas vapors from the fuel system and runs them into the intake. Likely the valve has failed or the circuit has a short. Only real way to test it is with the Nissan scan tool. I believe the service manual has a diagnostic procedure, but I'm not real sure.

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