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Fuel Pump or Relay?

cosorio
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cosorio Member

cosorio

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I am leaning towards concluding that code 0446 is not the cause of the engine shutting down after it has warmed up. I just replaced the carbon canister and used a friend's shutoff valve and purge valve and the car still shuts down each and every time it has warmed up. Again, the parameters are: engine shuts down after warm up, usually a few minutes after startup, and will not start again until after several hours have passed. This is usually overnight. There are no other codes present. Now Im thinking either fuel pump or relay. Is the ECU the unit that shuts off the engine and prevents it from restarting until after a number of hours? The car is a 2000 996 manual with e-gas. Thanks.

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