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Discussion Starter · #1 ·
<div align='left'>i have a 2000 tiburon 2.0 automatic trans i just installed anew fuel pressure regulator and now i am getting an error code p0453 evap system. can anyone help me troubleshoot thank you
 

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Is the fuel pressure regulator stock or aftermarket? An aftermarket one could be the cause if it has not been set to the proper pressure.
 

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Discussion Starter · #4 ·
it is stock oe. ihave removed evap cannister but don't really know how to chesk out solenoid. the vacuum lines seem abit dry rotted on the outside but fine on the inside.
 

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Dear marty,

If a line seems dry rotted on the outside, go ahead and replace. Their may be tiny cracks through the wall that you have difficulty to see, but that under strong suction will allow air in.

I think during your fuel pressure regulator install, you may have inadvertently forgot to reconnect a connector.

Byron
 
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