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check engine light keeps comeing on. p1443 EVAP purge valve fault. what does this mean? how can i fix it? it goes off and on by its own
 

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not sure but i would check my EGR valve mine make all kinds of noise. and even has thrown myu check engine light
 

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You have a problem with your EVAP cannister - probably a bad EVAP cannister purge valve (the trouble code indicates a MECHANICAL failure of the valve itself, in that case). It could also be a blockage in the system of hoses that links the EVAP cannister, the valve, the intake manifold, the FTP Sensor, and the fuel tank.
 

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When I got that code, it was my purge flow sensor. Swapped it out, and code never came back. That's the most common cause and also the cheapest to replace.
 
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