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Discussion Starter #1
Hello everyone.
I have an 307 model 2006, I used an unleaded petroleum fuel. But before about 6 months till now I still have a P0443 (Evaporative Emission System Purge Control Valve Circuit (Powertrain, Generic)).
I changed the canister, checked the electrical wires, but still have an P0443.

Any help, please.
Thanks
 

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P0443

To cause a P0443, there has to be a problem with the purge control CIRCUIT, not necessarily the valve. Usually they are a unit housing the valve and the solenoid as an assembly. Or it could be comprised of a separate solenoid with vacuum lines to a purge valve. That said, it could be any of the following: Bad purge solenoid (internal short or open) Wiring harness chafing or rubbing another component causing short or open on control circuit Connector worn, broken or shorted due to water intrusion Driver circuit inside powertrain control module (PCM) is bad
 

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Rear bulbs causing an engine fault thats a new one :)

Think what you mean is you had a bad earth and the fault code was not a real fault it was simply caused by the bad earth somehow
 
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