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purge valve diagnostic
Hi techs . Im trying to wrap my head around this one .On this car what would the ecm monitor to fail this valve It keeps setting a code p0443 every 2-3 weeks. What I would like to know is what is this's ecm primary criteria to fail this test? Evap. pressure se... Login to read more. 
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| Engine | 3.0 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2001 Infiniti I30 3.0L
| Engine | 3.0 L |
| Trans | 4-speed Automatic (Electronic) |
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